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erastovalidia [21]
3 years ago
7

In a test of physical fitness, a group of men ages 65 and older from a local retirement community were told to do as many sit-up

s as they could. It is known that the population mean μ is 20 with standard deviation σ = 8. The average number of sit ups for men (n=16) from the retirement community was M = 24.5. Use a two-tailed test with an alpha of .05. What would you conclude?
Mathematics
1 answer:
Ivahew [28]3 years ago
8 0
Give ten fifth teen twenty so...98
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Can someone help me with this!!! Will give you all my points and brainliest.
Angelina_Jolie [31]

The function is shifted to the right 3 units

a shift to the right is subtracted inside the function

g(x) = f(x-3)

7 0
3 years ago
Elena surveyed her classmates to see how many like to make jewelry. When she asked 20 of her classmates, 50 percent said they li
nordsb [41]

10 students of Elena's classmates like to make jewellery.

<u>Step-by-step explanation:</u>

Let total no.of classmates who liked the jewellery = x

Here, in the given problem, given she asked her classmates '20'. So, it clearly shows that total number of students/classmates = 20. Also, in that, 50% said like to make jewellery. Now find 'x' as below,

                    x = 50 \% \text { of } 20

                    x = \frac{50}{100} \times 20

                    x = 10

Hence, the total number of classmates who liked to make Jewellery = 10

5 0
3 years ago
Given the function g(x) = 8x − 2, compare and contrast g(−2) and g(4). Choose the statement that is true concerning these two va
Anit [1.1K]
G(-2) = 8(-2) -2 = -16 - 2 = -18 
g(4) = 8*(4) - 2 =  32 - 2 = 30 
 as you can see 30 is greater than -18 so the answer is C
6 0
3 years ago
Read 2 more answers
What are the domain and range of the function f(x) = (1/5)^x<br>I just guessed on edge, its B
Alex_Xolod [135]
It’s probably B because the domain is all real numbers
6 0
3 years ago
HELP PLEASE!!! I don't have a lot of time, please help!!!
Colt1911 [192]

Answer:

Step-by-step explanation:

It is a function, since each student gets only one score one final exam,]

Domain is each student,

the first to last

Range is the score each student got:

(however the scoring was made)

f(each student) is a function because each student, or each element of the domain corresponds to the score, one and only one element of the range.

4 0
3 years ago
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