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Salsk061 [2.6K]

3 years ago

13

Sixty percent of vacationers enjoy water parks. Use technology to generate 20 samples of size 100. How closely do the samples es

timate the percent of all vacationers who enjoy water parks?

2 answers:

natima [27]3 years ago

8 0

Thank for the points

alexandr1967 [171]3 years ago

3 0

Answer:

I don't understand

Step-by-step explanation:

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Maxine bought items costing $5.25, $18.99, $2.99, and $17.50. She used a coupon worth $5.50. If Maxine had $60.00 before she wen

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The answer should be $20.77

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3 years ago

The population of cats that are rescued every year is currently 50,000 and declines at a rate of 1.2% every year. This models

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This models exponential decay.

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2 years ago

A toy manufacturer wants to know how many new toys children buy each year. A sample of 601 children was taken to study their pur

Lilit [14]

Answer:

The confidence interval is 6.6<μ<6.8.

Step-by-step explanation:

We have:

Number of observations = 601

Mean = 6.7

Standard deviation σ = 1.5

The z-score for a 95% confidence interval is 1.96.

The limits of the confidence interval can be calculated as

$X \pm z*\frac{\sigma}{\sqrt{n}}\\\\LL=X-z*\frac{\sigma}{\sqrt{n}}=6.7-1.96*\frac{1.5}{\sqrt{601} } =6.7-0.1199=6.6\\\\UL=X+z*\frac{\sigma}{\sqrt{n}}=6.7+1.96*\frac{1.5}{\sqrt{601} } =6.7+0.1199=6.8$

The confidence interval is 6.6<μ<6.8.

7 0

3 years ago

Compare and contrast the data represented in the double box plot below

Greeley [361]

Answer:

and wheres the box plot?

8 0

2 years ago

A sprinkler rotates 360 degrees the total are watered is 204yds squared<br> what is the raduius

SIZIF [17.4K]

The radius of the area the sprinkler has watered is 8.06 yards.

<h3>What is Rotation ?</h3>

Rotation is spinning around a fixed point with a fixed radius in circular motions.

It is given that a sprinkler rotates 360 degree

The area watered is 204 sq. yards

Radius = ?

A sprinkler rotates in circle

Therefore the area of the circle = π r²

204 = π r²

204 * 7 /22 = r²

r² = 64.91

r = 8.06 yards

Therefore the radius of the area the sprinkler has watered is 8.06 yards.

To know more about Rotation

brainly.com/question/1571997

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4 0

1 year ago