SocialTwist Tell-a-Friend

Ask a Question? Get an Answer!


Question: The table shows the details of the hair color and eye color of a number of students in a class. Find the total number of students with brown hair, ignoring the eye color.




A ) 10
B ) 16
C ) 6
D ) 3

The right answer is Option C

Click Here To Go Back


Few Other Questions -

  • Plot the scattered diagram for the ordered pairs {(0,8), (1,10), (2,19), (3,8), (4,5), (5,..
  • The Sample Space (S) derived from drawing 2 students from a group of 2 Boys B1, B2 and 3 G..
  • Write the ordered pairs corresponding to the points in the scattered diagram...
  • For what values of x, the function f(x) = 1(2x-1)3 has non removable discontinuity ?..
  • A coin and a die are rolled. The sample space(S) of getting a Head(H) on the coin and an e..
  • For what values of x, the function f(x) = xx+3 has non removable discontinuity ?..
  • What is the probability that a leap year would have 52 Mondays and 53 Sundays?..
  • From the scattered diagram, find the values of x, when y = 13 and y = 16. Also find y, whe..
  • For what values of x, the function f(x) = x3+x2x2+4x has removable and non removable disco..
  • A couple has 4 children. What is the probability that the children are 2 boys and 2 girls?..
  • Determine whether the events are mutually exclusive: The person selected at random is a De..
  • Determine the values of x for which the series converges absolutely.1 + x + x22!+x33! + ....
  • Determine which events are mutually exclusive when a single die is rolled .I. Getting an o..
  • Find the mean and mode of the dot plot as shown...
  • Which of the following is true for the series?1 - 13 + 132-133 + .....
  • A bag contains 5 red balls, 4 green balls, and 3 white balls. If a person picks a ball at ..
  • Find the sample variance and standard deviation for the amount of annual chocolate sales (..
  • Which of the following is true for the series?1 + 123-133-143+153+163 - .....
  • At a political rally, there are 30 Democrats, 20 Republicans, and 10 Independents. If a pe..
  • Which of the following is true for the series?∑n=1∞ xn(2n)!..
  • What is the probability that a card selected at random from a deck of cards is either an A..
  • In a class of 100, 35 play Football, 25 play Basketball and 30 play Baseball. None of ..
  • The number of cloudy days in a year for 10 selected cities is shown. Find the range.154, ..
  • The dot plot shows the number of chocolates each student of a class has. How many more cho..
  • Write the z - score and the test that has a better relative position of the two tests?Test..
  • Which of the following is true for the series?∑n=1∞ (- 1)n + 1 nn2+1..
  • The number of paintings drawn by artists in an exhibition is shown in the dot plot. What i..
  • Find the z scores of three students who had a score of 93, 80, 84 in an examination for a ..
  • A single card is drawn from a deck. Find the probability that it is an Ace or a Club?..
  • In a school there are 900 students and 100 faculty members. 400 students and 60 faculty me..
  • The number of clients visiting a stock market over a 11-day period are as follows:33, 38, ..
  • Which of the following is true for the series?1 - 12+13-14 + .....
  • An automobile dealer has 20 Hondas, 15 Lexus, and 25 Audis on his used-car lot. If a perso..
  • In a large department store, there are 5 managers, 10 departmental heads, 20 clerks and 15..
  • Which of the following is true for the series?1 - 12+ 13- 14+ ... ..
  • The frequency distribution of the distance (in miles) covered by 20 randomly selected runn..
  • Which of the following is true for the series?∑n=1∞ cos nπn3..
  • The frequency distribution of the highest temperatures (in °F) in 50 states during a s..
  • In a college campus, there are 10 English professors, 15 maths professors, 8 science profe..
  • In a college campus, there are 9 French professors, 15 math professors, 12 science profess..
  • The probability that a student plays football is 0.60 and the probability that a student p..
  • Determine the values of x for which the series ∑n=1∞ (x+6)nn155n converges ab..
  • A single card is drawn from a deck. Find the probability that it is a Jack or a Black card..
  • Determine the value of x for which the series ∑n=1∞ xn2n+1 converges conditio..
  • Check the following data set for outliers.25, 43, 16, 4, 11, 39, 28, 8..
  • Identify the decimal that the shaded area shows...
  • Find Q1, Q2 and Q3 for the data set.9, 3, 2, 5, 4, 7, 6, 11, 13...
  • Identify the decimal that the shaded area shows...
  • Identify the decimal that the shaded area shows...
  • A box contains 2 red, 3 blue and 4 black balls. If a ball is drawn at random, then what is..
  • In a school, 75% of students probably owned some music instruments and 90% probably owned ..
  • Which will be the appropriate unit to estimate the length of a one dollar bill?..
  • The average score on a Geography final examination was 70, with a standard deviation of 5...
  • The frequency distribution shown here illustrates the number of goals scored by country X ..
  • Which of the figures shows five tenths?..
  • The average age of the accountants at Six Soft Technologies is 24 years, with a standard d..
  • The frequency distribution shown here illustrates the number of goals scored by country X ..
  • The mean for the number of viewers of a sample of entertainment programs is 132, with a v..
  • Determine whether the distributions shown in table 1 and table 2 are probability distribut..
  • State whether the distributions shown in table 1 and table 2 are probability distributions..
  • Check whether the distributions shown in table 1 and table 2 are probability distributions..
  • Determine whether the distribution shown is a probability distribution or not. Table - 1 X..
  • State whether the variable is discrete or continuous:The number of children playing in a p..
  • State whether the variables are discrete or continuous.(i). Speed of a car.(ii). Weight of..
  • State whether the variable is discrete or continuous:(i). Number of persons watching a mov..
  • State whether the variable is discrete or continuous:(i) Temperature of patients in a hosp..
  • In a committee there are 20 Republicans and 15 Democrats; 10 of the Republicans are female..
  • Probability distribution for a family of 3 children with X representing the number of girl..
  • In a committee there are 20 Republicans and 15 Democrats; 10 of the Republicans are female..
  • Probability distribution for getting a sum X when two dice are rolled is represented by __..
  • The average number of computer sales over a 2-month period is 86, with a variance of 36. ..
  • A box contains 1 green ball, 2 white balls, 3 red balls and 4 blue balls. Select the figur..
  • Determine whether this is a probability distribution or not. What is the value of P(4)?P(X..
  • Determine the distribution for the following formula, indicating whether it is a probabili..
  • A large department store employs managers, departmental heads, clerks, and stock persons. ..
  • Determine the distribution for the following formula, indicating whether it is a probabili..
  • Determine the distribution for the following formula, indicating whether it is a probabili..
  • A large department store employs managers, departmental heads, clerks, and stock persons. ..
  • Find the mean of the number of probable girls in a family of 3 children...
  • Fifteen students were surveyed about their favorite sport and the results are shown in the..
  • A company manufacturing calculators found that on an average 94% of the cartons contain no..
  • Find the area of the parallelogram ABCD...
  • The probability distribution for the number of clients visiting a bookshop daily is presen..
  • Students numbering 250 attending one or more courses in 3 subjects during a semester were ..
  • A rectangular room is 36 ft long and 24 ft wide. Find the area of the room...
  • In a factory manufacturing umbrellas, it was found that 90% of packages (containing 100 um..
  • The rate of fuel consumption (in miles per gallon) of 30 selected sports utility vehicles ..
  • From the bar graph, find out what percentage of population in the USA are in the age group..
  • If a man purchases a raffle ticket, he can win a first prize of $10,000 or a second prize ..
  • A dealer in raincoats can earn $1,000 a day if it rains and loses $100 a day if the weathe..
  • Two dice are rolled. What is the probability of getting a sum greater than 10 or less than..
  • What is the outlier in the box-and-whisker plot?..
  • Find the probability of getting exactly 2 heads when 5 coins are tossed simultaneously...
  • A paediatric hospital presents data on the number of children and their stay in the hospit..
  • If on an average it rains on 5 days in every thirty days, then find the probability that i..
  • Three dice are rolled. Find the probability of getting a sum of 6...
  • 80 randomly selected batteries were tested to determine their lifetime (in hours). The fol..
  • The probability that a bulb manufactured by a factory will fuse before 100 days of use is ..
  • An insurance agent sells 5 policies, one to each of 5 healthy persons of the same age. Ac..
  • An insurance agent sells 5 policies, one to each of 5 persons who are of the same age and ..
    		•