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Margaret [11]
3 years ago
11

The mean points obtained in an aptitude examination is 111 points with a variance of 400.

Mathematics
1 answer:
suter [353]3 years ago
4 0

Answer:

0.9128 = 91.28% probability that the mean of the sample would differ from the population mean by less than 2.8 points if 63 exams are sampled

Step-by-step explanation:

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[6 +(13-9)] * (18/3)
olga55 [171]

Answer:

60

Step-by-step explanation:

13-9=4

6=4=10

18/3=6

6*10=60

4 0
4 years ago
Read 2 more answers
Pinky Bauer, Chief Financial Officer of Harrison Haulers, Inc., suspects irregularities in the payroll system. She knows that 2,
kherson [118]

Answer:

The correct option is (C) convenience sample.

Step-by-step explanation:

Convenience sampling is a kind of non-probability sampling, i.e. all items does not have an equivalent chance or probability of being selected. This type of sampling method does not comprises of random collection of items.

Convenience sampling is where we take in items which are easy to reach or collect.

For example, sampling the the students of your own class or collecting sample from your own neighborhood.

In this case the Chief Financial Officer of Harrison Haulers, Inc. asks her staff to inspect the last 200 vouchers of the 2500 payroll vouchers that have been issued since January 1, 2000.

She did so because her staff did not have that much time in hand and it is quite convenient to check the last 200 vouchers.

This is because it is quite easy to review the last 200 payroll vouchers since they would be the most recent ones and quite easily accessible.

So, the sampling method used by the Chief Financial Officer of Harrison Haulers, Inc. is Convenience sampling.

Thus, the correct option is (C).

5 0
4 years ago
What is the answer to this question?
Charra [1.4K]

Answer:

im just in 6 grade

Step-by-step explanation:

6 0
3 years ago
Distributive property 79x36
IrinaVladis [17]

Answer:

1(79 x 36)

Step-by-step explanation:

8 0
2 years ago
Emery bought 3 cans of beans that had a total weight of 2.4 pounds. If each can of beans weighed the same amount, which model co
mr_godi [17]

Answer:

0.8

Step-by-step explanation:

6 0
3 years ago
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