2 years ago

What is the unit rate for the ratio 500 apples/4 bushels?

Mathematics

1 answer:

vovikov84 [41]2 years ago

7 0

C, I’m pretty sure

Why do I have to write 20 words for this? This is why I’m rambling.

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Find the sample size necessary to estimate the mean IQ score of statistics students such that it can be said with 99% confidenc

quester [9]

Answer: 18

Step-by-step explanation:

The formula to find the minimum sample size is given by :_

$n=(\dfrac{z^*\cdot \sigma}{E})^2$

, where $\sigma$ = population standard deviation.

z*= critical z-value.

E= Margin of error.

Given : $\sigma= 13$

E= ± 8

We know that critical value corresponding to 99% confidence level = z*=2.576 [Using z-table]

Then, the required sample size would be :

$n=(\dfrac{(2.576)\cdot (13)}{8})^2$

$\Rightarrow\ n=(4.186)^2$

$\Rightarrow\ n=17.522596\approx18$ [Round to next integer.]

Hence, the required minimum sample size = 18

4 0

3 years ago

A fruit company sells oranges for 32 cents a pound plus $7.50 per order for shipping. If an order is over 100 pounds, shipping c

Andre45 [30]

Answer:

I will tell you if you give me 5 stars and thanks.

Step-by-step explanation:

because I need it.

6 0

2 years ago

Help meee please the one i clicked on was by accident thanks

V125BC [204]

B because half the time the answers is B

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2 years ago

The answer is 100

GaryK [48]

Answer:

ummmmmmmmmm......... ok?

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2 years ago

What is 2/1 divided by 1 6/7?

Lubov Fominskaja [6]

<span>What is 2/1 divided by 1 6/7?
</span>answer would be 0.9

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2 years ago