3 years ago

ASAP. I need help figuring out why I got the circled answers incorrect. the ones that have checkmarks next to them are right

Mathematics

1 answer:

Anvisha [2.4K]3 years ago

5 0

Answer:

What class is that for?

Step-by-step explanation:

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PLEASE HELP!!!! 25 POINTS!!!!

Andrei [34K]

Answer:

0.9562

Step-by-step explanation:

Binomial probability is mathematically expressed as:

$P(X=x)={n\choose x}p^x(1-p)^{n-x}$

Given that p=0.18, n=5 , is calculated as:

$P(X\leq 2)=P(0)+P(1)+P(2)\\\\={5\choose 0}0.18^0(1-0.18)^5+{5\choose 1}0.18^1(1-0.18)^4+{5\choose 2}0.18^2(1-0.18)^3\\\\=0.3707+0.4069+0.1786\\\\=0.9562$

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3 years ago

Calls to a customer service center last on average 1.4 minutes with a standard deviation of 1.7 minutes. An operator in the call

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Answer:

the expected total amount of time in minutes is 88.4

Step-by-step explanation:

The computation of the expected total amount of time in minutes is given below:

= Standard deviation × needed to answer calls each day

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= 88.4

hence, the expected total amount of time in minutes is 88.4

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2 years ago

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2 years ago

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Step-by-step explanation:

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ASAP. I need help figuring out why I got the circled answers incorrect. the ones that have checkmarks next to them are right​

ASAP. I need help figuring out why I got the circled answers incorrect. the ones that have checkmarks next to them are right