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A new lightbulb has been developed with a mean lifetime of 1800 hours and standard deviation of 100 hours. A sample of 100 of these bulbs is tested. The sample mean lifetime is 1770 hours. (a) What is
answered
Jan 11, 2021
Mathematics
college
4
votes
128k
views
The difference of a number and ninety when a=102
answered
Sep 5, 2020
Mathematics
middle-school
2
votes
82.6k
views
An equation is shown below. 4y−5=32x+7 Which of the following shows the equation correctly written in function notation in terms of x?
answered
Apr 24, 2020
Mathematics
middle-school
3
votes
79.1k
views
Which jazz musician is regarded as the most innovative? A. Count Basie B. Duke Ellington C. Miles Davis D. King Oliver
answered
Apr 17, 2020
Arts
high-school
7
votes
213k
views
Which of the following is the most likeley example of an favorable mutation A. A mutation that makes a rabbit able run faster B. A mutation that changes the rabbit's fur to bright orange C. A mutation
answered
Apr 9, 2020
Chemistry
middle-school
5
votes
134k
views
Robert has an unusual sexual interest. He gets tremendous sexual satisfaction out of putting himself in crowded situations (elevators, subways, public buses) and rubbing his genitals against unsuspecting
answered
Feb 25, 2020
Biology
high-school
3
votes
69.0k
views
What is the value of this expression? (−4)^4 Enter your answer in the box.
answered
May 14, 2019
Mathematics
middle-school
4
votes
80.8k
views
Pimples are formed when an overactive a0 gets a1.
answered
Apr 1, 2019
Health
high-school
6
votes
119k
views
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