sampling distribution

The average rate of reading (words per minute) of a random sample of 16 people after attending a program for two weeks are as shown. The standard deviation of the average rate of reading of people is 30 words per minute. Find the chi-square test value. At α = 0.05, is there enough e..

The charity organizer estimates that the variance of the amount collected from different public schools in a state will be more than $1,024. The amount collected from a random sample of 10 schools are as follows. $1000 $1100 $1050 $958 $986 $1026 $982 $1045 $1030 $1054 Find the chi-square..

: Properties of the Normal distribution Using tables of the Normal distribution The Normal distribution as a model for measurements Sampling distributions: Sampling distribution of a sample proportion Sampling dist..

Probability problems with finite sample spaces Conditional probability Discrete/continuous random variables Mean, variance of discrete random variable Standard distributions Mean, standard deviation of normally distributed random variable Central limit theorem ..

. All this help is online, from the comfort of your home.The list of topics( not exhaustive) our Statistics tutor can handle online in Statistics and Probability are given below: Subjective Probability Random Variables and Processes Probability distributions - Normal, Binomial, Poisson, H..

Impure Substances - Mixtures - "Impure substances are commonly called mixtures." The constituents of a mixture may be elements, compounds, or both. These substances may be present in any proportion and exhibit their individual properties. Mixtures can be homogeneous or heterogeneous. A homogeneous ..

>If A, B and C are mutually exclusive then Total Probability: P(A) = P(E 1 ) P(A|E 1 ) + P(E 2 ) P(A|E 2 )+ +P(E n ) P(A|E n ) Random variable: A real valued function 'X' defined on the sample space is called a random variable. Discrete random variable: A random variable which can assume ..