A Man Has Extra Digits (Six Fingers on Each Hand

question 31

Multiple Choice

A man has extra digits (six fingers on each hand and six toes on each foot) . His wife and their daughter have a normal number of digits. Having extra digits is a dominant trait. The couple's second child has extra digits. What is the probability that their next (third) child will have extra digits?

• A) 1/2
• B) 1/16
• C) 1/8
• D) 3/4
• E) 9/16

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Definitions:

Hypothesized Proportion Value

A specified value of a population proportion in hypothesis testing that serves as the basis for comparing with the proportion observed in the sample data.

Proportion

A part, share, or number considered in comparative relation to a whole; a fraction or percentage of a total.

Z-Test

A statistical test used to determine whether two population means are different when the variances are known and the sample size is large.

One-Sample Test

A statistical procedure used to determine if a sample comes from a population with a specific characteristic or parameter.