JUVIE NUN Question 1 of 10, Step 1 of 1
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The quality control manager at a computer manufacturing company believes that the mean life of a computer is 80 months, with a variance of 64.
If he is correct, what is the probability that the mean of a sample of 77 computers would be greater than 82.59 months? Round your answer to four decimal places.
Answer
mm Tables
Keynad

If x + 10 = 70, what is x? a. 40 b. 50 c. 60 d. 70 e. 80

14 pointslet x be the seats in the small van and y the seats in the large van. how many seats does the large van have? a company uses two vans to transport worker from a free parking lot to the workplace between 7: 00 and 9: 00a.m. one van has 9 more seats than the other. the smaller van makes two trips every morning while the larger one makes only one trip. the two vans can transport 69 people, maximum.how many seats does the larger van have?

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?