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attashe74 [19]
3 years ago
5

Jill spend $15 on diapers. If they cost $5 a package, how many packages did she buy ?

Mathematics
2 answers:
schepotkina [342]3 years ago
7 0
She got 3, 3x5 is 15 3 groups each one is 5 dollars each
Reika [66]3 years ago
3 0
The answer is three.
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In general, a mixed economy is "a combination of individual choice and government protection," although the balance tends to lean more towards individual choice.

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Express 54 as a product of its prime factor
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I need some help, doing a review from a couple chapters ago and I don't remember this
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Answer: d=-3

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3 years ago
Sixty dash fivesixty-five percent of households say they would feel secure if they had? $50,000 in savings. you randomly select
Effectus [21]

 To solve the following problems, we use the binomial probability equation:

P (r) = [n!/(n-r)! r!] p^r q^(n-r)

where,

n = total number of households = 8

r = number of sample

p = probability of success = 65% = 0.65

q = probability of failure = 0.35

 

A. r = 5

P (r=5) = [8! / 3! 5!] 0.65^5 0.35^3

P (r=5) = 0.28

 

B. r >5

P (r=6) = [8! / 2! 6!] 0.65^6 0.35^2

P (r=6) = 0.26

P (r=7) = [8! / 1! 7!] 0.65^7 0.35^1

P (r=7) = 0.14

P (r=8) = [8! / 0! 8!] 0.65^8 0.35^0

P (r=8) = 0.03

Therefore total is:

P (r>5) = 0.26 + 0.14 + 0.03 = 0.43

 

C. r ≤ 5

P (r ≤ 5) = 1 - P (r>5)

P (r ≤ 5) = 1 – 0.43

P (r ≤ 5) = 0.57

 

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3 0
3 years ago
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