Assume That a Researcher Randomly Selects 14 Newborn Babies and Counts

question 110

Multiple Choice

Assume that a researcher randomly selects 14 newborn babies and counts the number of girls selected, x. The probabilities
corresponding to the 14 possible values of x are summarized in the given table. Answer the question using the table. $$\begin{array}{l}\text { Probabilities of Girls }\\\begin{array} { | c | c | c | c | c | c | } \hline x \text { (girls) } & P ( x ) & x \text { (girls) } & P ( x ) & x \text { (girls) } & P ( x ) \\\hline 0 & 0.000 & 5 & 0.122 & 10 & 0.061 \\1 & 0.001 & 6 & 0.183 & 11 & 0.022 \\2 & 0.006 & 7 & 0.210 & 12 & 0.006 \\3 & 0.022 & 8 & 0.183 & 13 & 0.001 \\4 & 0.061 & 9 & 0.122 & 14 & 0.000 \\\hline\end{array}\end{array}$$
-Find the probability of selecting exactly 4 girls.

• A) 0.022
• B) 0.001
• C) 0.122
• D) 0.061

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Definitions:

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