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3 years ago

10

Adriana uses 1 1/4 cups of pretzels for every 1/2 cup of raisins when making a snack mix. What is the number of cups of pretzels

Adriana uses for 1 cup?

1 answer:

Naya [18.7K]3 years ago

4 0

22/4 cups. 1/2 times 2 is 1 cup. 11/4 times 2 is 22/4

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a population of 50 fruit flies is increasing at a rate of 6% per day which of the following is closest to the number of days it

borishaifa [10]

It would take 16.7 days for the population to double. This is near 17, so 17 would be the best answer.
I hope this helps!

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3 years ago

One package of fruit drink contains 6 drinks. Which of the following list the ordered pairs (packages, number of drinks) for 1,

tangare [24]

I think this is

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3 years ago

Read 2 more answers

For a 95% confidence interval what would the sample size need to be as it's most conservative to have a 2% margin of error

aleksley [76]

Answer:

<em>The size of the sample 'n' = 2401</em>

Step-by-step explanation:

<u><em>Step:1</em></u>

Given that the margin of error = 2 % = 0.02

The margin of error is determined by

$M.E = \frac{Z_{0.05} \sqrt{p(1-p)} }{\sqrt{n} }$

we know that the proportion

$\sqrt{p(1-p)} < \frac{1}{2}$

<u><em>Step:2</em></u>

<em>The margin of error is determined by </em>

<em> </em> $0.02 = \frac{1.96( \frac{1}{2} ) }{\sqrt{n} }$ <em></em>

$\sqrt{n} = \frac{1.96}{2 X 0.02}$

√n = 49

Squaring on both sides, we get

n = 49 × 49

n = 2401

<u>Final answer:-</u>

<em>The size of the sample 'n' = 2401 </em>

8 0

3 years ago

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sp2606 [1]

The answer would be 32.2

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3 years ago