(110) Samantha \( \operatorname{Re} \)
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\( 42 / 248 \)
\( 99 \% \)
42
43
44 shown in Figure 2.19b. Its mean, median, and ly.
gold.
reason to believe that the probability distrin now, \( G \), is given by the following table, and ithin each of the five price ranges. Thus, price
\begin{tabular}{l|c|}
\hline & \( P \) (Event) \\
\hline 500 & 0.1 \\
520 & 0.2 \\
550 & 0.3 \\
570 & 0.3 \\
600 & 0.1 \\
\hline
\end{tabular}
\[
\begin{array}{c}
1.0<r \leq 1.5 \\
1.5<r \leq 2.0 \\
2.0<r \leq 2.5 \\
2.5<r
\end{array}
\]
According to your table, what is the probability that it will rain more than one inch?
2.2. Two coins are flipped simultaneously. One has a probability of heads equal to 0.6 and the other has a probability of heads equal to 0.7 . What is the probability that the coins will be both heads or both tails?
2.3. On a campus, \( 1 / 5 \) of the students are freshmen and \( 1 / 10 \) of the students are in engineering, but \( 1 / 4 \) of the engineering students are freshmen. What fraction of the students are neither engineers nor freshmen? Draw a Venn diagram.
2.4. For a very large group of students, the probability of receiving an \( A \) in the first English course was 30 percent and the probability of an \( A \) in the first calculus course was 20 percent. Also, 15 percent of the students had As in both classes.
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19:07
07-09-2024
