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nadezda [96]
3 years ago
6

Maria believes she will get 1 hit in 20% of her softball games, 2 hits in 25% of her games, 3 hits in 50% of her games, and 4 hi

ts in 5% of her games. About how many hits can Maria expect to have each game?
1
2
3
4
Mathematics
2 answers:
castortr0y [4]3 years ago
5 0

Answer:

<em>The number of hits can Maria expect to have each game is </em><em>2 </em>

Step-by-step explanation:

The expected value is the sum of product of each of the possible outcomes and the probability of the outcome occurring. Mathematically,

E(X) =\sum x\cdot P(X = x)

Given,

P(X=1)=0.20\\\\P(X=2)=0.25\\\\P(X=3)=0.50\\\\P(X=4)=0.05

Putting the values,

E(X)=(1\times 0.20)+(2\times 0.25)+(3\times 0.50)+(4\times 0.05)=2.4

As the number of hits can not be in fraction, so the number of hits can Maria expect to have each game is 2

creativ13 [48]3 years ago
3 0
I think 3 hits as the percentage is higher.
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