1. Which numbers below are equivalent to 13.4? Select all that apply.
2 answers:
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Answer:
Step-by-step explanation:
Let X be the no of customers who purchase atleast one item.
X is binomial since there are two outcomes and each customer is independent of the other.
a) Here n =10
Out of 10 customers we expect np = 3 customers to buy at least one item.
b) exactly 3 of the customers would purchase at least one item
=
c) the probability that no more than 3 customers would purchase at least one item
=
Answer:
Step-by-step explanation
4*1.2=4.8
7*1.2=8.4
8.4*4.8=40.32