SOLUTION: The probability that Ryan chooses Spanish is 0.86 and the probability that Riley chooses Spanish is 0.73. State the probability that: a. they both choose Spanish b. neither ch

Question 954098: The probability that Ryan chooses Spanish is 0.86 and the probability that Riley chooses Spanish is 0.73. State the probability that:
a. they both choose Spanish
b. neither choose Spanish
c. only one of them chooses Spanish
d. at least one of them chooses Spanish
Answer by hemu_da(13) (Show Source): You can put this solution on YOUR website!
a- probability of both choose Spanish is = 0.86 * 0.73 =
0.6278.
.
.
b- neither choose Spanish = 0.14 * 0.27 = 0.0378.
.
.
c- only one of them choose Spanish = 0.86 * 0.27 + 0.14 * 0.73 = 0.3344.
.
.
d- at least one of them chooses Spanish = 0.6278 + 0.3344 = 0.9622
.
.
Or
1 - 0.0378 = 0.9622
.
.
.
Ans
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