3 years ago

What is the sign of the product (3)(−25)(7)(−24)? (5 points)

Mathematics

1 answer:

larisa [96]3 years ago

5 0

the correct answer is negative

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Use the given data to find the minimum sample size required to estimate a population proportion or percentage. Margin of error:

Yakvenalex [24]

Answer: 112

Step-by-step explanation:

Given : Significance level : $\alpha=1-0.95=0.05$

Critical value: $z_{\alpha/2}=1.96$

Margin of error : E = 9%=0.09

The estimated proportion of caret : p =0.38

Now, the formula to find the sample size :-

$n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2$

i.e. $n=(0.38)(1-0.38)(\dfrac{1.96}{0.09})^2$

$=111.738390123\approx112$

Hence, the required minimum sample size = 112

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3 years ago

5-64 =<br> A. -8<br> B. -4<br> C. 4 or -4<br> O D. -16

Alex787 [66]

The answer is -59 , you have the wrong answer choices

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3 years ago

27. Stuart wants to play a trick on his friend by hiding his pencil in the box of tissues shown below. If

Alex17521 [72]

Answer:

Well if it’s a regular box I’m sure it will fit, because a box of tissues is at least 10 inches long in diameter.

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4 years ago

A box contains 14 candy bars of equal weight the weight of the empty box is 10 ounces and the total weight of the box and the ca

Anvisha [2.4K]

H and J are out bc that's subtracting the 14 candy bars, which we just want to subtract the weight of the 10 oz of the box from 80 oz to get the total amount of candy bar ox, which equals 70 oz. Since you want to find how much each candy bar weighs you have to divide the difference between 14. - The answer is answer letter G.

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3 years ago

On the basis of data from 1990 to 2006, the median income y in the year x for men and women is approximated by the equations giv

worty [1.4K]

Answer:

2080

Step-by-step explanation:

The solution to these equations might best be found using Cramer's Rule. It tells you ...

x = (56939×3 -41655×2)/(-236×3 +838×2) = 87507/968 ≈ 90.400

This is years after 1990, so the year the incomes become the same is predicted to be ...

1990 +90.4 = 2080.4

The median incomes will be the same in the year 2080.

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4 years ago