determine whether the events are mutually exclusive: the person selected at random is a democrat the person selected at random is an independent

Determine whether the events are mutually exclusive: The person selected at random is a Democrat The person selected at random is an Independent => Yes or No..

In a large department store, there are 5 managers, 10 departmental heads, 20 clerks and 15 stock persons. If a person is selected at random, then find the probability that the person is either a manager or a clerk. => 1 2 or 2 5 or 30 50 or 1 10..

Statistical data indicates that 35% of all persons who are afflicted by a certain disease recover. What is the probability that 9 out of 10 patients selected at random recover? => 0.5 or 0.0725 or 0.0005 or 0.35..

The circle graph shows the percentage of people in a city liking a particular color. What is the probability of a person selected at random liking the color blue? => 12 25 or 23 100 or 11 100 or 9 50..

The data in the graph is the result of a survey conducted to know the percentage of people with different hair color. Find the probability that a person selected at random will have brown hair. => 1 5 or 4 25 or 3 5 or 1 25..

The probability that a person selected prefers to go out on a shopping is 0.7. A random sample of 100 people was selected. Find the probability that the proportion of people who prefer to go out on a shopping is greater than 75%. => 16.4% or 11.71% or 88.29% ..

A researcher surveyed 200 randomly selected persons in four different areas of the city and asked whether they had seen at least 3 wonders of the world. The results are shown here. At α = 0.01, find the chi-square test value. Can it be concluded that the proporti..

A medical researcher wishes to test the effects of two diets and the time of day on the sodium level in a person's blood. Twenty people are randomly selected, and five are randomly assigned to each of the four groups. Find F A × B and analyze the data s..

The distribution of the ages of the members of a colony is as follows : Age Frequency 0 - 20 35 21 - 30 15 31 - 40 20 41 - 50 25 51 - 60 15 61 - up 10 If a person is selected at random, then find the probability that his/her age is less than 30 years. => 5 12 or 1 8 or..

A researcher surveyed 100 randomly selected persons in each of four regions of the country and asked if they play basketball or not. The results are shown here. East West North South Total Play basketball 55 70 42 61 228 Don't play basketball 45 30 58 39 172 Total 100 ..