b. Find the probability of getting 1 or fewer girls in 8 births.
(Type an integer or a decimal. Do not round.)
Probability Distribution for $\mathrm{x}^{-}$
\begin{tabular}{c|c|}
\hline $\begin{array}{c}\text { Number of } \\
\text { Girls } \mathbf{x}\end{array}$ & $\mathbf{P}(\mathbf{x})$ \\
\hline 0 & 0.002 \\
\hline 1 & 0.037 \\
\hline 2 & 0.108 \\
\hline 3 & 0.178 \\
\hline 4 & 0.350 \\
\hline 5 & 0.178 \\
\hline 6 & 0.108 \\
\hline 7 & 0.037 \\
\hline 8 & 0.002 \\
\hline
\end{tabular}
Clear all
Check answer

Step 1 ：The question is asking for the probability of getting 1 or fewer girls in 8 births. From the given probability distribution table, we can see that the probability of getting 0 girls is 0.002 and the probability of getting 1 girl is 0.037.

Step 2 ：To find the probability of getting 1 or fewer girls, we need to add these two probabilities together.

Step 3 ：\(\text{prob}_0_\text{girls} = 0.002\)

Step 4 ：\(\text{prob}_1_\text{girl} = 0.037\)

Step 5 ：\(\text{prob}_1_\text{or}_\text{fewer}_\text{girls} = \text{prob}_0_\text{girls} + \text{prob}_1_\text{girl} = 0.039\)

Step 6 ：Final Answer: The probability of getting 1 or fewer girls in 8 births is \(\boxed{0.039}\).