Suppose That Research Has Shown That the Probability That a Missile

question 30

Multiple Choice

Suppose that research has shown that the probability that a missile penetrates enemy defenses and reaches its target is 0.1. Find the smallest number of identical missiles that are necessary in order to be 90% certain of hitting the target at least once. ​

• A) 27
• B) 22
• C) 20
• D) 21
• E) 19

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Definitions:

Experiment

An experiment is a controlled study in which variables are manipulated to determine their effects on other variables.

Relative Frequency Approach

A method for estimating probabilities by dividing the number of observed occurrences of an event by the total number of observations.

Wireless Phone

A communication device that does not require a physical connection to a telephone network, often referring to mobile or cordless phones.

Next Customer

The following or upcoming client to be served or attended to in a service setting.