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2 years ago

What are the factors of 27

Mathematics

2 answers:

NemiM [27]2 years ago

4 0

The factors are 3 and 9

Bad White [126]2 years ago

4 0

To make this a bit easier, 27 is a composite number, meaning it has more than 2 factors. So, the factors of 27 are:

1, 3, 9, and 27

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2 years ago

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xeze [42]

Answer: 1. 0.0256

2. 0.4096

Step-by-step explanation:

Binomial probability formula , to find the probability of getting x successes:

$P(x)=^nC_xp^x(1-p)^{n-x}$ , where n= Total number of trials

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Let x be the number of customers will make purchase.

As per given , we have

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1. The probability that 3 of the next 4 customers will make a purchase will be:-

$P(x=3)=^4C_3(0.20)^3(1-0.20)^{4-3}$

$P(x=3)=(4)(0.20)^3(0.80)^{1}\ \ [\because\ ^nC_{n-1}=n]$

$P(x=3)=(4)(0.008)(0.80)=0.0256$

Hence, the probability that 3 of the next 4 customers will make a purchase = 0.0256

2. The probability that none of the next 4 customers will make a purchase will be :

$P(x=0)=^4C_0(0.20)^0(1-0.20)^{4-0}$

$P(x=0)=(1)(0.80)^{4}\ \ [\because\ ^nC_{0}=1]$

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2 years ago

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Step-by-step explanation:

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