3 years ago

Eeeeeeeeeeaaaaaaddddddd

Mathematics

1 answer:

dangina [55]3 years ago

3 0

Find the greatest common multiple. Could you try to list them out?

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The Insure.com website reports that the mean annual premium for automobile insurance in the United States was $1,503 in March 20

stira [4]

Answer:

a) Option A)

$H_{0}: \mu \geq 1503\\H_A: \mu < 1503$

b) Point estimate of difference = -78

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = $1,503

Sample mean, $\bar{x}$ = $1,425

Sample size, n = 25

Sample standard deviation, s = $160

We have to carry a hypothesis test that the mean annual premium in Pennsylvania is lower than the national mean annual premium.

a) First, we design the null and the alternate hypothesis

$H_{0}: \mu \geq 1503\text{ dollars}\\H_A: \mu < 1503\text{ dollars}$

b) Point estimate of the difference between the mean annual premium in Pennsylvania and the national mean

Point estimate of difference =

Mean annual premium in Pennsylvania - National mean

$\text{Point estimate} = \bar{x} - \mu = 1425 - 1503 = -78$

Thus,

Point estimate of difference = -78

5 0

3 years ago

How much is 3/5 of 3 1/8

wolverine [178]

Answer:

1.875

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers

China's population is 14.46×10814.46×108 . Marshall Islands' population is 602.5×102602.5×102 .

djverab [1.8K]

I think the answer is 2.4 x 10^3
Hope this helped.
;)

8 0

2 years ago

A new sports car costs $21,000 at the dealership. If the dealership is

Molodets [167]

Answer:

16,800 dollars

Step-by-step explanation:

1. find 20 percent of 21,000= 4,200

2. subtract 4,200 from 21,000

21,000

-4,200

16,800 dollars

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2 years ago

Test the following point in the inequality

boyakko [2]

False it is incorrect

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2 years ago