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Answers by Ktzhang

Answers by Ktzhang
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The lifespan of an LCD screen is approximately normally distributed with a mean of 6.2 years and a variance of 1.42. If the LCD screen is guaranteed for 2 years, what is the probability that an LCD screen
answered Oct 14, 2023
17 votes
309k views
Prompt: Think about the first 5 presidents and their foreign and domestic policies. Which president you think was the most successful managing the domestic and/or foreign policy issues of their presidency.
answered Aug 27, 2023
22 votes
187k views
True or False? When retrieving and deploying the AED unit, a rescuer's first duty is to protect the person you are treating. Select one: True False
answered Jul 13, 2023
24 votes
146k views
Please answer the image attached
answered Jun 16, 2023
13 votes
25.0k views
The north end of earth's axis points the sun in winter.
answered Jan 20, 2023
14 votes
12.2k views
Add. −5/6+(−2 5/8) Enter your answer as a simplified fraction by filling in the boxes.
answered Dec 2, 2022
8 votes
124k views
The NLRA was created in order to give workers the right to
answered Jul 18, 2022
16 votes
120k views
What is the answer for this
answered Jul 17, 2022
6 votes
142k views
The random variable X~(30,2^2) Find p(X<33) Find p(X>26)
answered Feb 2, 2022
17 votes
57.1k views
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