Suppose that the probability function in Table 11.13 reflects the possible lifetimes (in months after emergence) for

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Suppose that the probability function in Table 11.13 reflects the possible lifetimes (in months after emergence) for fruit flies.

Table 11.13

4 p(x) 0.30 0.20 0.15 0.10 0.05 (a) What proportion of fruit flies die in their second month?

(b) What is the probability that a fruit fly lives more than four months?

(c) What is the mean lifetime for a fruit fly?

(d) What is the standard deviation of fruit fly lifetimes?

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Statistics Unlocking The Power Of Data

ISBN: 9780470601877

1st Edition

Authors: Robin H. Lock, Patti Frazer Lock, Kari Lock Morgan, Eric F. Lock, Dennis F. Lock

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