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kow [346]
3 years ago
7

PLEASE HELP QUICKLY!! LAST QUESTION! DUE IN 5 MINUTES!

Mathematics
1 answer:
aev [14]3 years ago
6 0

Alright, Let's get cracking!

So if you add them up there are S + D + B = 530

So let's just take the fractions!

Stuffed toys = 265/530 = 0.50

Dolls= 106 / 530 = 0.20

Board games = 159/530 = 0.30

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The owner of Limp Pines Resort wanted to know the average age of its clients. A random sample of 25 tourists is taken. It shows
erma4kov [3.2K]

Answer:

C. ± 2.326 years.

Step-by-step explanation:

We have the standard deviation for the sample. So we use the t-distribution to solve this question.

We have that to find our \alpha level, that is the subtraction of 1 by the confidence interval divided by 2. So:

\alpha = \frac{1-0.98}{2} = 0.01

Now, we have to find z in the Ztable as such z has a pvalue of 1-\alpha.

So it is z with a pvalue of 1-0.01 = 0.99, so z = 2.326/tex]Now, find the width of the interval[tex]W = z*\frac{\sigma}{\sqrt{n}}

In which \sigma is the standard deviation of the population and n is the size of the sample.

In this question:

\sigma = 5, n = 25

So

W = z*\frac{\sigma}{\sqrt{n}}

W = 2.326*\frac{5}{\sqrt{25}}

The correct answer is:

C. ± 2.326 years.

7 0
3 years ago
What’s the product of 0.54(8)
maw [93]

The answer to your problem is 4.32.

6 0
3 years ago
Hello, I need a little help on this 1 question! Any help is appreciated!
Marrrta [24]

Answer:

A. 24

Step-by-step explanation:

We know that the formula for find the area of right triangle is (1/2) × (b × h)

Using this formula, we can find the area of this right triangle given the side lengths

the base of this right triangle is 8

the height of this right triangle is 6

(1/2) × (8×6)

(1/2) × (48)

48/2

24

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2 years ago
Write 14/25 29/50 53/100 13/20 and 3/5 in order from greatest to least
Alex73 [517]
13/20,3/5,29/50,14/25,53/100
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8 0
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