Jarek buys jerseys for his team online. He pays a constant shipping price plus a special rate for each jersey. During the spring
1 answer:
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Answer:
a) 0.0156
b) 0.4219
c) 0.1406
Step-by-step explanation:
We are given the following information:
We treat adult having type O+ blood as a success.
P(Adult have type O+ blood) = 0.25
Then the number of adults follows a binomial distribution, where
where n is the total number of observations, x is the number of success, p is the probability of success.
Now, we are given n = 3
a) All three are type O+
b) None of them is type O+
c) Two out of the three are type O