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levacccp [35]
2 years ago
11

Can someone help me with this page?

Mathematics
2 answers:
Roman55 [17]2 years ago
6 0
Sure
i will help with the page if i can do it…

statuscvo [17]2 years ago
4 0
B is the first one
D
C
And finally (most likely) A
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In the past, the average age of employees of a large corporation has been 40 years. Recently, the company has been hiring older
earnstyle [38]

Answer:

Step-by-step explanation:

In the past, mean of age of employees

i.e. \mu = 40

Recently sample was taken

n = sample size = 60

Mean of sample = 45

Std dev of sample s = 16

H_0: \bar x = 40\\H_a: \bar x >40

(Right tailed test)

Since only population std deviation is known we can use t test only

Std error = \frac{s}{\sqrt{n} } \\=\frac{16}{\sqrt{61} } \\=2.049

Mean difference = 45-40 =5

Test statistic t=\frac{5}{2.049} \\=2.441

df = 60

p value =0.008739

Since p < 0.05 we reject null hypothesis

The mean age has increased.

5 0
3 years ago
Work out the length x. 14 cm 7 cm
qwelly [4]

Answer:

14 x 7 = 98 divided by 3= 32.6

Step-by-step explanation:

Are you trying to find the length of x?

i dont know if this is the right answer

3 0
2 years ago
Each month, 8 magazines arrive at Sydney's home. Write an equation that would show the number of motnths (n) it took for Sydney
Dovator [93]
C.
Since 8 magazines are areiving each month (n) and the total is 56, all you have to do is multiply 8 by n and you get 56, the actual answer would be 7 though.
7 0
3 years ago
Frank has 8 soup bowls. He wants to pour 1/3 pint of soup in each bowl. Will Frank need more or less than 8 pints? How much soup
Margarita [4]
He would need less than 8.  So he would need 2.5 pints. I think.
5 0
3 years ago
HELP
tangare [24]
I believe the answer is the ship is traveling at 21.25 MPH, started 10.5 miles from lighthouse and after 11 hours will be 244.25 miles from the lighthouse.
7 0
3 years ago
Read 2 more answers
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