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olganol [36]
3 years ago
10

A researcher is testing a new painkiller that claims to relieve pain in less than 15 minutes, on average. a. State the hypothese

s associated with the researcher's test. b. Describe a Type I error for this situation. c. Describe a Type II error for this situation.
Business
1 answer:
zmey [24]3 years ago
6 0

Answer:

a. H0 : U ≥ 15

   Ha : U < 15

b. Type I error is incorrectly conclude that the pain is reduced in less than 15 minutes.

c. Type II error is fail to conclude that time for pain reduction is less than 15 mints when actually its less than 15 minutes.

Explanation:

Null hypothesis is a statement that is to be tested against the alternative hypothesis and then decision is taken whether to accept or reject the null hypothesis.

Type I error is one in which we reject a true null hypothesis.

Type II error is one in which we fail to reject the null hypothesis that is actually false.

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Answer:

energy, direction, and persistence

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6 0
3 years ago
J. Pitner Clothing is a medium-size specialty men's and women's clothing store in a market with many other specialty stores, dep
rjkz [21]

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Explanation:

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5 0
3 years ago
Lambert Manufacturing has $120,000 to invest in either Project A or Project B. The following data are available on these project
Angelina_Jolie [31]

Answer:

c. $74,450

Explanation:

The computation of the Net present value is shown below  

= Present value of all yearly cash inflows after applying discount factor + salvage value - initial investment  

where,  

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All yearly cash flows would be

= Annual net operating cash inflows × PVIFA for 6 years at 14%  

= $50,000 × 3.8887

= $194,435

Refer to the PVIFA table

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So, the value would equal to

= $194,435 - $120,000

= $74,435 approx

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