3 years ago

What is 66 1/2 % of 240 kg

Mathematics

1 answer:

LekaFEV [45]3 years ago

3 0

I think it is 159.6 I hope it’s right

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As discussed in Exercise 6.10, the General Social Survey reported a sample where about 61% of US residents thought marijuana sho

Maslowich

Answer: 2285

Step-by-step explanation:

Formula to find the sample size is given by :-

$n=p(1-p)(\dfrac{z_c}{E})^2$

, where p = prior estimate of population proportion.

E= Margin of error.

$z_c$ = z-value for confidence interval of c.

Given : Confidence interval : 95%

From the z-value table , the z-value for 95% confidence interval = $z_c=1.96$

The General Social Survey reported a sample where about 61% of US residents thought marijuana should be made legal.

i.e. the prior estimate of population proportion of US residents thought marijuana should be made legal : p=0.61

[∵ sample proportion is the best estimate for population proportion.]

Margin of error : E= 2%=0.02

Now, the required minimum sample size would be :-

$n=0.61(1-0.61)(\dfrac{1.96}{0.02})^2$

Simplify ,

$n=0.2379\times9604=2284.7916\approx2285$

Thus , we need to survey <u>2285</u> Americans .

4 0

3 years ago

t is estimated that Americans buy 2.92×1010 bottles of water per year. At this rate, how many bottles of water are purchased by

Mumz [18]

8<span>×10^7 hope this helped</span>

4 0

3 years ago

74.88 x 8 rounded to the nearest cent

mafiozo [28]

Answer:

74.88*8=599.04

Correct answer is 599

Step-by-step explanation:

This would be the answer with cents.

But you have to round to the nearest whole number which would be 599

Hope this helps mark brainliest please :)

8 0

2 years ago

Kelvin leaves home and walks 5 blocks east and 10 blocks north to get to the ball park. How far is the ball park from Kelvin’s h

kifflom [539]

Answer:

11.2

Step-by-step explanation:

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2 years ago

Use the table to solve the inequality x−5≥7.

miskamm [114]

Answer: x $\geq$ 12

Step-by-step explanation:

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2 years ago