2 years ago

76.

Mathematics

1 answer:

ANTONII [103]2 years ago

8 0

Answer:

It would be 15,00 overpriced

Step-by-step explanation:

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A paint company claims their paint will be completely dry within 45 minutes after application. Recently, customers have complain

Angelina_Jolie [31]

Answer:

The probability of observing a sample mean of x = 52 or greater from a sample size of 25 is 0.0000026

Step-by-step explanation:

Mean = $\mu = 45$

Population standard deviation = $\sigma = 6$

Sample size = n =25

Sample mean = $\bar{x} = 52$

We are supposed to find the probability of observing a sample mean of x = 52 or greater from a sample size of 25 i.e. $P(x\geq 52)$

$Z=\frac{x-\mu}{\frac{\sigma}{\sqrt{n}}}\\Z=\frac{52-45}{\frac{6}{\sqrt{25}}}$

Z=5.83

P(Z<52)=0.9999974

$P(Z\geq 52)=1-P(z$

Hence the probability of observing a sample mean of x = 52 or greater from a sample size of 25 is 0.0000026

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2 years ago

The standard deviation of a sample taken from population A is 17.6 for a sample of 25. The standard deviation of a sample taken

agasfer [191]

33.3..........................................

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What does it mean about the data when a whisker is shorter?

Ksenya-84 [330]

Answer:

It means that the whisker is shorter in the data

Step-by-step explanation:

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2 years ago

(140-x)/(7)+70 = 120. Please answer correctly.

slava [35]

From question,
(140-x)/7+70=120
Or, (140-x)/7=120-70
Or,140-x=50X7
Or, -x=350-140
Or, -x=210
:• x = -210 answers

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Anwser the following question with explanation

shepuryov [24]

Answer:

you need to devide the 2 numbers well the 2 fractions bc there mixd numbers well bye it was my pluesure to help you

Step-by-step explanation:

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