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velikii [3]
3 years ago
12

Hotel managers wish to learn the average length of stay of all visitors that are senior citizens. A statistician determines that

to calculate a 90% confidence level estimate of the average length of stay to within +/- 1.5 days, a total of 65 senior visitors’ check-in/check-out records will have to be examined. How many records should be looked at to obtain a 90% confidence level estimate to within +/- 0.5 days?

Mathematics
1 answer:
LiRa [457]3 years ago
8 0

The answer & explanation for this question is given in the attachment below.

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In the figure, ABCD is a parallelogram and its area 15<br>48 cm". Find DM and DN.​
matrenka [14]

More information is needed to solve the problem.

3 0
3 years ago
What is the 72nd term of -27, -11, 5
FinnZ [79.3K]

Answer:

1109

Step-by-step explanation:

The first term is -27, and the common difference is 16.

The nth term is:

a = a₁ + d (n − 1)

a = -27 + 16 (n − 1)

a = -27 + 16n − 16

a = 16n − 43

The 72nd term is:

a = 16(72) − 43

a = 1109

5 0
3 years ago
Holly has 56 peices of paper and 8 paper clips. If she clips the same amount of paper together with each paper clip, how many pe
dedylja [7]

Answer:

56/8 = 7 pieces of paper

Step-by-step explanation:

3 0
3 years ago
Need help with this questions
leva [86]
1. Total
2. Deficit
( hope this helps)
4 0
4 years ago
Use the substitution method to solve the system of equations.
grandymaker [24]
Insert 3x - 7 for y in 15x - 5y = 14
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