Question

In: Statistics and Probability

76% of all bald eagles survive their first year of life. If 45 bald eagles are...

76% of all bald eagles survive their first year of life. If 45 bald eagles are randomly selected, find the probability that

a. Exactly 34 of them survive their first year of life. Correct
b. At most 33 of them survive their first year of life. Correct
c. At least 35 of them survive their first year of life._______
d. Between 34 and 41 (including 34 and 41) of them survive their first year of life._______

Solutions

Expert Solution

Answer:-

Given That:-

76% of all bald eagles survive their first year of life. If 45 bald eagles are randomly selected, find the probability that

Given,

n = 45

p = 0.76

q = 0.24 (1 - 0.76)

Formula:-



a. Exactly 34 of them survive their first year of life. Correct

x = 34

= 0.1369
b. At most 33 of them survive their first year of life. Correct

Using Excel function


c. At least 35 of them survive their first year of life._______

Al least 35:-

or

=

= 1 - 0.6657

= 0.3343

d. Between 34 and 41 (including 34 and 41) of them survive their first year of life._______

  

= 0.9975 - 0.5265

= 0.468

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orchestra answered 1 year ago
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