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A supervisor records the repair cost for 22 randomly selected VCRs. A sample mean of $75.50 and standard deviation of $18.07 are subsequently computed. Determine the 99% confidence interval for the mean
answered
Apr 18, 2022
Mathematics
college
12
votes
108k
views
Please!!! I need help
answered
Apr 17, 2022
Mathematics
high-school
1
vote
36.9k
views
Which action is protected by the first amendment?
answered
Mar 18, 2022
Social Studies
high-school
5
votes
140k
views
A 150.0 mL sample of 0.20 M HF is titrated with 0.10 M LiOH. Determine the pH of the solution after the addition of 600.0 mL of LiOH. The Ka of HF is 6.8 × 10-4.
answered
Feb 20, 2022
Chemistry
high-school
10
votes
171k
views
PLEASE HELP ME ASAP document that certifies that a student attended high school but did not meet all graduation requirements. Special Diploma GED Certificate of Completion Regular diploma
answered
Dec 31, 2021
History
middle-school
4
votes
68.4k
views
The perimeter of a regulation singles tennis court is 210 feet and the length is 30 feet less than four times the width. What are the dimensions of the court?
answered
Dec 16, 2021
Mathematics
high-school
2
votes
149k
views
Shoes are on sale at 30% off the original price. The sale price on one pair is $15. What was the original price. please help give the right answer A. 65 B.15 C. 50 D.20
answered
Oct 17, 2021
English
college
1
vote
182k
views
2. 15 x 18 + 12 ÷ 3 + 9 2. 15 x 18 + 12 ÷ 3 + 9 3. 8 x 4 + 9 – 9 + 18 4. 11 x 11 – 6 x 17 + 4 5. 2 – 1 + 5 x 4 x 11 7. 10 – 9 x 24 ÷ 8 x 6 P Parentheses first E Exponents (ie Powers and Square Roots, etc.
answered
Sep 21, 2021
Mathematics
middle-school
5
votes
25.0k
views
Palm oil and coconut oil are more like animal fats than are other plant oils. Because they _____ than other plant oils, they may contribute to cardiovascular disease. See Concept 5.3 (Page 72)
answered
Jul 23, 2021
Health
high-school
5
votes
107k
views
WHat is 9 to the the power of infinity timees the number of cubic inches
answered
Jul 2, 2021
Mathematics
high-school
3
votes
78.4k
views
Find a recursive formula for the sequence:
answered
Jul 2, 2021
Mathematics
high-school
6
votes
88.8k
views
1.y=-1 is a solution of the equation x+y=2
answered
Mar 10, 2021
Mathematics
high-school
2
votes
46.0k
views
How many Senators are there in Australian Parliament?
answered
Mar 5, 2021
Social Studies
high-school
1
vote
231k
views
Which of the following was a major weakness of the Articles of Confederation? A The executive branch had too much power. B The state governments did not have enough power. C The national government abused
answered
Feb 12, 2021
History
high-school
3
votes
183k
views
You obtain a spectrum of an object in space. The spectrum consists of a number of sharp, bright emission lines. Is this object a cloud of hot gas, a cloud of cool gas, or a star?
answered
Jan 8, 2021
Physics
college
1
vote
107k
views
Please Help me I'm stuck
answered
Dec 14, 2020
Mathematics
middle-school
7
votes
46.9k
views
3.) A vector is a measurement that has both size and direction and may be represented by an arrow, A.True B.False
answered
Jul 15, 2020
Chemistry
middle-school
2
votes
174k
views
a boy is standing 4 meter from a plane mirror how far and in what distance must te move so that he will be 4 meter from his image
answered
Jun 30, 2020
Physics
middle-school
3
votes
28.8k
views
Pumping of groundwater in California most effectively: Select one: a. Causes sediments in aquifers that are emptied to compact and the ground above it to sink b. Promotes rejuvenation of the groundwater
answered
Feb 1, 2020
Physics
college
2
votes
48.7k
views
A recipe for a cake needs 2 1/4 cups of cake. You are making 1/2 of the recipe. How many cups of flour do you need?
answered
Jan 29, 2020
Mathematics
middle-school
4
votes
122k
views
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