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SSSSS [86.1K]
3 years ago
10

6. Fred gave the cashier $20 to pay for 3 large bags of Takis . The cashier gave him $12.56 in change. Each bag of Takis cost th

e same amount
Mathematics
1 answer:
Ira Lisetskai [31]3 years ago
6 0

Answer:

$2.48

Step-by-step explanation:

He paid $20 and got $12.56 back so you subtract

20-12.56=7.44

So his total was 7.44 and he bought 3 bags so divide to find the individual price

7.44/3=2.48

So $2.48

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Answer:

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Step-by-step explanation:

Consider the provided information.

It is given that true percentage of voters who vote for the proposition is 63%,

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According to the binomial distribution:

P(x;p,n)=^nC_x(p)^x(1-p)^{(n-x)}

Substitute n=7, p=0.63 and x=2 in the above formula.

P(x;p,n)=^7C_2(0.63)^2(1-0.63)^{(7-2)}

P(x;p,n)=\frac{7!}{2!5!}(0.3969)(0.37)^{5}\\P(x;p,n)=21(0.3969)(0.37)^{5}\\P(x;p,n)=0.0577974947199\\P(x;p,n)\approx0.057797

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