A poll showed that 66% of Americans say that the exists elsewhere in the galaxy.

Question

A poll showed that 66% of Americans say that the exists elsewhere in the galaxy. what is the probability of randomly selecting someone not having that a. 0.30 b. 0.34 c. 0.61 d. 0.93 A firm trend projections to simulate sales for a given time period. It assigns sales are steady moderately, and "3" is sales rise a great deal. A computer simulator generates the following output. 0102200120202022120122203012121 (N = 31) Estimate the probability that saws will remain In a study of brand recognition. 631 consumers knew of Campbell's Soup and 18 did not. Use these results to estimate the probability that a randomly selected consumer will recognize Campbell's Soup. P(does recognize Campbell's Soup) = a. 0.022 b. 0.220 c, 0.979 d. 1.000 Using the Polygraph Test Results: if one of the responses is randomly selected what is the probability that it is a false negative?

Explanation / Answer

8:

Given information:

The person has belief is P(yes) = 0.66

By the complement rule the requried probabilty is

P(not) = 1- P(yes) = 1 - 0.66 = 0.34

9:

Out of 31 outputs, 7 has 1 (steady state) so required probability is

P(steady state) = 7/ 31 = 0.226

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