PLS ANSWER ASAP. ILL GIVE BRAINLIEST. I don’t understand how to do this and need help. It’s due in 10 minutes.

Mathematics

1 answer:

Rudik [331]2 years ago

8 0

Answer:162 might be wrong tho so dont mark as brainlyest

Step-by-step explanation:

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Answer:

I believe your answer is correct.

Step-by-step explanation:

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2 years ago

Is y= 3(1/2)^x increasing or decreasing?

Zigmanuir [339]

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Step-by-step explanation:

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2 years ago

A regular paper clip is 1 1/4 inches long, and a jumbo paper clip is 1 7/8 inches long. How many times longer is the jumbo paper

gregori [183]

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3 years ago

HELP NEEDED A.S.A.P. PLEASE & THANK YOU!!!!!!

andreev551 [17]

Hello,

Answer B

y=-x^4+1
y'=-4x^3
y"=-12x² is always <0 : concavity downside.

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2 years ago

PLEASE HELP!

Aleks04 [339]

Answer:

Option c:

$0.25 \pm 1.645\sqrt{\frac{0.25*(1-0.25)}{90}}$

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of $\pi$ , and a confidence level of $1-\alpha$ , we have the following confidence interval of proportions.

$\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}$

In which

z is the z-score that has a p-value of $1 - \frac{\alpha}{2}$ .

For this problem, we have that:

You have access to first year enrolment records and you decide to randomly sample 119 of those records. You find that 89 of those sampled went on to complete their degree. This means that $n = 119, \pi = \frac{89}{119} = 0.7478$ .