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Jane enters a raffle where the probability of winning a prize with each ticket is \( \frac{1}{10} \). She buys 20 raffle tickets. What is the expected number of prizes Jane is likely to win (
calculatrice
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e
\(\pi\)
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%
AC
sin
cos
tan
7
8
9
/
\(\sin^{-1}\)
\(\cos^{-1}\)
\(\tan^{-1}\)
4
5
6
*
\(x^2\)
\(\sqrt{\phantom{2}}\)
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1
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-
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=
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7
8
9
+
4
5
6
-
1
2
3
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C
0
.
÷
expected prizes
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