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in a significance test of one population mean if vairance of population is unknown but the sample size is 30 or more we use z test why?
asked
Dec 28, 2023
Mathematics
college
1
answer
79.3k
views
Question 21 ptsA rectangular prism has a volume of 3 m3, a length of 30 cm, and a width of40 cm. What is the height of the prism?25 m250 cm25 cm0.25 cm
asked
Dec 15, 2023
Mathematics
college
1
answer
173k
views
Which of the following landforms are labeled incorrectly? Number 1 – the Pontic Mountains Number 2 – the Taurus Mountains Number 3 – the Anatolian Plateau Number 4 – the Negev Desert A. number 1 only B.
asked
Oct 20, 2023
Geography
high-school
1
answer
15.5k
views
Jill wants to have ride at least 144 miles on her bike. Her riding speed is 9 miles per hour. Which inequality(s) represents how many h hours she needs to ride?
answered
May 15, 2023
Mathematics
high-school
1
answer
66.0k
views
Functions defined by integrals, please let me know if you have any questions regarding the materials, I'd be more than happy to help. Thanks!
answered
Mar 30, 2023
Mathematics
college
1
answer
11.1k
views
Marta sells Sue Ann Cosmetics and gets 20% commission on all her sales. Last month, she sold $560.00 worth of cosmetics. How much was her commission? Please help it’s urgent
asked
Mar 19, 2023
Mathematics
high-school
1
answer
91.6k
views
I earn $285/week. There are 4 pays in most months. So, my monthly pay is $285 x 4 or $1140 per month. Is my calculation of my monthly income accurate? Please explain.
asked
Mar 12, 2023
Mathematics
college
1
answer
126k
views
Heat transferred laterally in the atmosphere by horizontal wind movements is a process called?
answered
Feb 7, 2023
Chemistry
high-school
1
answer
185k
views
When an object radiates heat, the strength of this radiation far from the object decreases when distance from the source increases as shown in the graph below: That is, radiated heat is much stronger near
answered
Jan 15, 2023
Physics
middle-school
2
answers
163k
views
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
answered
Dec 10, 2022
Mathematics
high-school
1
answer
165k
views
Explain the research of Stratton on perceptual adaptation.
answered
Oct 25, 2022
Social Studies
high-school
1
answer
198k
views
Simplify the equation -.75-.4
asked
Oct 7, 2022
Mathematics
college
2
answers
191k
views
Select the correct answer. Regina is reviewing Montana’s state budget from last year to help the Finance Department plan the coming year. Which expenses accounted for 30.77% of Montana’s budget last year?
answered
Sep 13, 2022
English
college
2
answers
192k
views
Solve the system by substitution y=5x y=-x+30
answered
Jul 13, 2022
Mathematics
high-school
2
answers
5.4k
views
Japan became a US ally after WWII True False
asked
Jun 8, 2022
History
college
2
answers
97.8k
views
Use the figure shown. What is the length of side a? a =
answered
May 13, 2022
Mathematics
college
1
answer
30.9k
views
What musical form do you hear in Candle in the Wind?
asked
Apr 19, 2022
Engineering
college
1
answer
134k
views
What are the benefits of a long-term bond over a short-term bond? a. Long-term bonds have fewer risks than short-term bonds. b. Long-term bonds have more risks associated with them, and bring in lower
answered
Apr 14, 2022
History
college
2
answers
45.1k
views
If I eat, I would live. If I breathe, I would also live. However, if I drink, I would die. What Am I?
asked
Apr 4, 2022
Social Studies
middle-school
2
answers
224k
views
1.___________means basic rules or guidelines while the ________ are the building blocks or ingredients used to create an artwork A.elements; principle B.principle; element C.principle; pattern D.element;
answered
Feb 26, 2022
Arts
high-school
1
answer
52.2k
views
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