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3 years ago

7

What term should go in the space

1 answer:

maxonik [38]3 years ago

7 0

Think abt it like a puzzle you see a 9 so you gotta divide it to get 3 so bam there’s ur first number 3 then you have a j^4 and when you divide exponents it’s really subtracting them so you want a j^2 then k^9 to get to k^2 would be 9-2=7 so your final answer is 3j^2k^7

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And we can use the normal standard distribution table or excel and with the complement ruler we got:

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Step-by-step explanation:

We know the following info given:

$\mu = 997$ represent the true mean

$\sigma = \sqrt{3844}= 62$ represent the population deviation

$n = 73$ represent the sample size selected

Since the sample size is large enough (n>30) we can use the central limit theorem and the sample mean would have the following distribution:

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$z= \frac{\bar X -\mu}{\frac{\sigma}{\sqrt{n}}}$

And replacing we got:

$z = \frac{981.7 -997}{\frac{62}{\sqrt{73}}}= -2.108$

And we can use the normal standard distribution table or excel and with the complement ruler we got:

$P(z>-2.108) =1- P(z$

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