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TRUE OR FALSE 1. Significance level measures how frequently the conclusion will be correct over the...

TRUE OR FALSE

1. Significance level measures how frequently the conclusion will be correct over the long haul.

2. The probability that two carriers of cystic fibrosis will have an afflicted child in any given birth is ¼. If two carriers plan to have 5 children, the probability that at least 1 of the 5 will be afflicted with CF is approximately 0.6328.

Math   Statistics-And-Probability   
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Answer #1

1. Significance level is equivalent to Probability of Type I Error.

Significance level measures how frequently the conclusion will be correct over the long haul.(False)

2. Let X denotes the number of afflicted child out of 5 children.

X ~ Binomial(5, 1/4) or X ~ Binomial(5, 0.25)

The probability mass function of X is

The probability that at least 1 of the 5 will be afflicted with CF

The probability that two carriers of cystic fibrosis will have an afflicted child in any given birth is ¼. If two carriers plan to have 5 children, the probability that at least 1 of the 5 will be afflicted with CF is approximately 0.6328. (False)

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