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Ymorist [56]
4 years ago
7

There are (49)5 ⋅ 40 books at the library. What is the total number of books at the library?

Mathematics
2 answers:
Romashka-Z-Leto [24]4 years ago
8 0
it is 9,800 total books
dmitriy555 [2]4 years ago
5 0
There is a total of 9,800 books at the library because to find the total you need to multiply 49 by 5 by 40
so 49*5= 245
Finally you multiply 245 by 40 and you get a total of 9,800
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What is the answer for -5-(15y-1)=2(7y-16)-y
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Telemarketing. the probability that a call will reach a live person is 0.2. the calls are independent. (a) a telemarketer places
Sergeeva-Olga [200]

Solution: Telemarketing. the probability that a call will reach a live person is 0.2. the calls are independent. (a) a telemarketer places 5 calls. what is the probability that none of them reaches a live person.

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Therefore, we have:

n=5,p=0.2,q=(1-p)=1-0.2=0.8

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Using the binomial probability distribution, we have:

P(x=0)=\binom{5}{0}0.2^{0} (1-0.2)^{5-0}

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6 0
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