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34kurt
3 years ago
9

CAN SOMEONE HELP ME WITH THIS PROBLEM URGENT 5 STAR RATING AND BRAINLY IF SOLVED!

Mathematics
1 answer:
faust18 [17]3 years ago
7 0
The answer that I got is $17.60
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Automobile engineers wanted to check the effect of a new automatic transmission on mileage. They selected 50 cars of the same ma
daser333 [38]

Answer:

d. Twenty-five cars are randomly selected with the new transmission and 25 with the old transmission.

Step-by-step explanation:

A hypothesis test on the difference between the means must satisfy the following conditions

1) the samples must be randomly selected

2) each sample must have a known standard deviation

3) the samples must be independent

4) the samples must be from normal distribution

Hence only part d gives the right answer.

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2 years ago
Answer quickly please
adell [148]

Answer:

A C E

Step-by-step explanation:

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8 0
2 years ago
Toby invested £7500 for 2 years in a savings account. he was paid 4% per annum compound interest. how much money did Toby have a
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3 years ago
Find the area of the triangle.<br><br><br><br><br><br> HELP PLEASEE ASAP !!
Aloiza [94]

Answer:

- 25

Step-by-step explanation:

A= 0(4-0)+7(0-3)+4(3-4) = -25

3 0
2 years ago
the length of a rectangle is 5 centimenters less than twice its width. the perimeter of the rectangle is 26 cm. what are the dem
inysia [295]
L = w - 5
2*l + 2*w = 26
2*(w - 5) + 2*w = 26
2w - 10 + 2w = 26
4w = 36
w = 9
l = w - 5
l = 9 - 5
l = 4

Final Answer:
The rectangle is 4cm long and 9cm wide.
Hope I helped :)
4 0
3 years ago
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