Chapter 5: Q 1. (page 246)
Why is probability theory important to statistics?
Probability theory help in predicting values and in the estimations in statistics.
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Oklahoma State Officials. Refer to Table 5.1 on page 196.
(a). List the possible samples without replacement of size 3 that can be obtained from the population of five officials. (Hint: There are 10 possible samples.)
If a simple random sample without replacement of three officials is taken from the five officials, determine the probability that
(b). the governor, attorney general, and treasurer are obtained.
(c). the governor and treasurer are included in the sample.
(d). the governor is included in the sample.
Constract a venn diagram representing the event.
Part. (a) (not E).
Part. (b) (A or B)
Explain the significance of binomial coefficients with respect to Bernoulli trials.
Which of the following numbers could not possibly be a probability? Justify your answer.
Which of the following numbers could not possibly be a probability? Justify your answer.
a. 5/6
b. 3.5
c. 0
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