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lara31 [8.8K]
3 years ago
9

A survey of 50 retail stores revealed that the average price of a microwave was $375, with a sample standard deviation of $20. A

ssuming the population is normally distributed, what is the 95% confidence interval to estimate the true cost of the microwave? Select one: a. $323.40 to $426.60 b. $328.40 to $421.60 c. $350.80 to $395.80 d. $369.31 to $380.69
Business
1 answer:
g100num [7]3 years ago
8 0

Answer:

(D) $369.31 to $380.69

Explanation:

The formula is x ± t (s/√n)

x = 375

t = 2.010

s = 20

n = 50

Then,

375 ± 2.010 (20/√50)

= 375 ± 5.69

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sleet_krkn [62]

Answer:

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Explanation:

Since we are told that the dividend yield remained the same, and the dividend decreased by 2.03%, we know that the price of the stock decreased by 2.03%.

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3 years ago
Which of the following costs of publishing a book is a fixed cost?
Allisa [31]

Answer:

The correct answer is option d.

Explanation:

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8 0
3 years ago
Read 2 more answers
The cost of a new machine is $250,000.
aksik [14]

Answer:

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Payback period = <u>Initial outlay</u>

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                          = <u>$250,000</u>

                             $62,500

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Explanation:

In this respect, there is need to calculate the annual cash inflow, which is 25% of initial outlay. Then, we will divide the initial outlay by the annual cashflow. This gives the payback period of the machine.

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