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VLD [36.1K]
3 years ago
5

Which inequality has the solution n < 5?

Mathematics
1 answer:
adelina 88 [10]3 years ago
3 0
The answer is C.) -4n + 11 < -9
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A total of 60% of the customers of a fast food chain order a hamburger, French fries, and a drink. If a random sample of 15 cash
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C. 0.403

Step-by-step explanation:

Binomial distribution has two parameter n and p. Here, n=15 and p=0.60.

We have to find the probability of 10 or more will show that the hamburger, French fries and a drink were ordered. P(X≥10)=?

The binomial probability distribution function for random variable X  is

P(X=x)=nCxp^{x} q^{n-x}

where q=1-p=1-0.6=0.4,n=15 and p=0.6.

P(X≥10)=P(X=10)+P(X=11)+P(X=12)+P(X=13)+P(X=14)+P(X=15)

P(X=10)=15C10(0.6^{10})( 0.4^{5}) =0.185938

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P(X=12)=15C12(0.6^{12}) (0.4^{3}) =0.063388

P(X=13)=15C13(0.6^{13}) (0.4^{2}) =0.021942

P(X=14)=15C14(0.6^{14}) (0.4^{1}) =0.004702

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P(X≥10)= 0.185938 +0.126776 +0.063388 +0.021942 +0.004702 +0.000470

P(X≥10)=0.403216

So, the probability of 10 or more will show that the hamburger, French fries and a drink were ordered is 0.403.

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Ankita is 135cm tall and Nita is 150cm tall- to find what percent of Nita's height Ankita represents you would divide ankita's height by Nita's height then multiply the answer by 100%

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