In an outer space survey, 62 out of 70 participants claimed to believe that life on other planets is plausible. Based on an Ipsos survey, 79% of adults believe life on other planets is plausible. a. Use the range rule of thumb to identify the limits separating values that are significantly low and those that are significantly high. Based on the results, is the 62 that claimed to believe life on other planets is plausible significantly high? b. Find the probability of exactly 62 participants believing life on other planets is plausible.

Calculus For The Life Sciences
2nd Edition
ISBN:9780321964038
Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.
Chapter12: Probability
Section12.2: Introduction To Probability
Problem 52E
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In an outer space survey, 62 out of 70 participants claimed to believe that life on other planets is 
plausible. Based on an Ipsos survey, 79% of adults believe life on other planets is plausible. 

a. Use the range rule of thumb to identify the limits separating values that are significantly low 
and those that are significantly high. Based on the results, is the 62 that claimed to believe 
life on other planets is plausible significantly high?

b. Find the probability of exactly 62 participants believing life on other planets is plausible.

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Find the probability of 62 or more participants believing life on other planets is plausible.

 

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