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salantis [7]
3 years ago
9

Someone help please :(

Mathematics
2 answers:
gayaneshka [121]3 years ago
6 0
3 Because if you do 68-65 u will get 3
xeze [42]3 years ago
4 0

Answer:

47 I believe

Step-by-step explanation:

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a line passes through point (-2, 5) and has the same y-intercept as line y = 3x-4. what is the equation for the line?
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3 years ago
Suppose a random sample of n = 16 observations is selected from a population that is normally distributed with mean equal to 101
stepan [7]

Answer:

101, 3, 0.025, 0.7416

Step-by-step explanation:

Given that  a random sample of n = 16 observations is selected from a population that is normally distributed with mean equal to 101 and standard deviation equal to 12.

As per central limit theorem we have

a) Mean of sample mean = E(\bar x) =\\ \mu =101

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b) P(\bar x >107) = P(Z>\frac{107-101}{3} )\\= P(Z>2) = 0.025

c) the probability that the sample mean deviates from the population mean μ = 101 by no more than 4.

=P(|\bar x-101|) \leq 4\\= P(|z|\leq 1.13)\\= 2(0.3708)\\=0.7416

6 0
3 years ago
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