Greta had $2,992 in a savings account with simple interest. She had opened the account with $2,200 exactly 4 years earlier. What
1 answer:
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Answer:
0.6535
Step-by-step explanation:
Given that during a one-hour period twenty-five customers buy gasoline at this station.
Let X be the no of persons out of these 25 who pay by cash.
X has two outcomes and each trial is independent of other.
Hence X is binomial (n=25, p=0.40)
Required probability
=
=0.6535