In Statisitics, and am really struggling with this particular chapter. Here is a

ID: 3154566 • Letter: I

Question

In Statisitics, and am really struggling with this particular chapter. Here is as follows:

Part I: Binomial Distributions

Using the binomial calculator, and a sample of 100 with the probability of success equal to 0.7.

Find the probability for each of these:

less than 68 successes

at most 68 successes

at least 68 successes

more than 68 successes

Part II: Standard Normal Distributions

Using the normal calculator, and a distribution with a standard normal distribution.

Find the probability or x values for each of these:

probability of less than (or equal to) 0.68

probability of more than (or equal to) 0.68

value of x corresponding to a probability of less than (or equal to) 0.68

value of x corresponding to a probability of more than (or equal to) 0.68

Part III: Normal Distributions

A distribution has a mean of 100 and a standard deviation of 25.

Find the probability or x values for each of these:

probability of less than (or equal to) .68

probability of more than (or equal to) .68

value of x corresponding to a probability of less than (or equal to) 0.68

value of x corresponding to a probability of more than (or equal to) 0.68

Part II: Standard Normal Distributions

Using the normal calculator, and a distribution with a standard normal distribution.

Find the probability or x values for each of these:

probability of less than (or equal to) 0.68

P( z < z ) = 0.68 = P( z > z) = 0.32

z = 0.46

probability of more than (or equal to) 0.68

P( z > Z) = 0.68 = P( z < z ) = 032

z = -0.46

value of x corresponding to a probability of less than (or equal to) 0.68 0.46

value of x corresponding to a probability of more than (or equal to) 0.68 -0.46

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