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Họ: > 15.7 H1 :μ < 15.7 Your sample consists of 32 values, with a sample mean of 14.7. Suppose the population standard deviation is known to be 2.97. a) Calculate the value of the test statistic, rounded to 4 decimal places. z = __________ b) At a = 0.07, the rejection region is O z > 1.8119 O z > 1.4758 O Z< -1.8119 or 2 > 1.8119 O z < -1.4758 or 2 > 1.4758 O Z< -1.8119 O Z< -1.4758 c) The decision is to Fail to reject the null hypothesis Accept the alternative hypotheis Accept the null hypothesis Reject the null hypothesis d) Suppose you mistakenly rejected the null hypothesis in this problem, what type of error is that?
asked
Dec 18, 2024
Business
high-school
1
answer
185k
views
If a pharmacy applies for central record keeping to the Board, when can they start maintaining central records?
asked
Nov 21, 2024
Medicine
college
1
answer
123k
views
Explain 2 different biological factors that affect the spread of a virus pathogen.
answered
Oct 29, 2024
Biology
high-school
1
answer
208k
views
How can users be further classified? Which users belong in which classification?
asked
Oct 14, 2024
Computers & Tech
high-school
1
answer
188k
views
Which of the following transformations is shown in the graph below?
asked
Aug 20, 2024
Mathematics
high-school
1
answer
180k
views
Karina won 14 of her last 25 dance competitions. What percentage of the competitions did she win? A) 56.0% B) 64.0% C) 50.0% D) 58.0%
asked
Jul 25, 2024
Mathematics
high-school
1
answer
157k
views
a rectangular window is 4 ft long and 2 ft wide. Martina would like to buy a screen for the window. the the cost of the screen is based on the number of square inches the screen is. use the facts to find
asked
Jul 4, 2024
Mathematics
college
1
answer
232k
views
SU2 U4 Modals: SHOULD, CAN, COULD, WILL Choose the correct option: 1. If you have a headache, you videogames. 2. I a broken arm. 3. If it rains tomorrow, we 4. If we have an exam on Monday, we at the week
asked
Jun 11, 2024
English
high-school
1
answer
114k
views
What continual improvement activity most closely aligns with the four guiding principles of progress iteratively with feedback, collaborate and promote visibility, think and work holistically, and keep
asked
Jun 9, 2024
Social Studies
high-school
1
answer
67.7k
views
When you buy a new car, you have to pay sales tax, and in Texas, that is 6.25%. Some people roll that sales tax into the loan they will get for their car and pay it off as part of their car payments. Others
answered
May 11, 2024
Mathematics
high-school
1
answer
97.7k
views
Instrumental music that has some literary or pictorial association is called. A) Sonata B) Symphony C) Program music D) Chamber music
asked
Apr 20, 2024
Arts
high-school
1
answer
205k
views
What trade regulations would apply to us exporting our gelato to Spain? a) International trade laws b) European Union regulations c) Bilateral trade agreements d) Import/export tariffs
answered
Apr 14, 2024
Business
high-school
1
answer
220k
views
Select any vein of the hepatic portal system. 1) Hepatic vein 2) Splenic vein 3) Gastric vein 4) Superior mesenteric vein
answered
Feb 13, 2024
Mathematics
high-school
1
answer
204k
views
What is the importance of Technical Communication in a society? And how would society would improve it?
asked
Jan 26, 2024
English
college
1
answer
119k
views
When comparing an HMO to a PPO, which of the following is true about the PPO? 1) The PPO always requires service in a network 2) The PPO provides a greater choice of providers 3) The PPO always requires
asked
Jan 20, 2024
Medicine
college
1
answer
197k
views
Violation of any law relating to drugs or alcohol is grounds for...
answered
Jan 10, 2024
Law
college
1
answer
118k
views
10. Organic compounds of what class contain only two elements?
asked
Dec 7, 2023
Biology
high-school
1
answer
146k
views
what is a social network that is defined by a common purpose and has a boundary between its membership
answered
Nov 26, 2023
Social Studies
high-school
1
answer
33.7k
views
Directions: Read each sentence. Then type the meaning of the highlighted Idiom. 1. Len bit off more than he could chew fixing the broken car. Meaning:
answered
Nov 14, 2023
English
middle-school
2
answers
39.7k
views
Please help me yall feedback would be appreciated!!
asked
Nov 8, 2023
Mathematics
college
2
answers
205k
views
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