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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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studymite studymite
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4 years ago

Question 1.

Find the indicated probability. Express answers as decimals.

 A batch consists of 20 defective coils and 80 good ones. Find the probability of getting two good coils when two coils are randomly selected if the first selection is replaced before the second is made.

▸ 0.4

▸ 0.04

▸ 0.64

▸ 0.46

Question 2.

Find the indicated probability. Express answers as decimals.

 A bin contains 79 light bulbs of which 9 are defective. If 4 light bulbs are randomly selected from the bin with replacement, find the probability that all the bulbs selected are good ones.

▸ 0.886

▸ 0.62

▸ 0.65

▸ 0
Textbook 
Statistical Reasoning for Everyday Life

Statistical Reasoning for Everyday Life


Edition: 5th
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GparkerGparker
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