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The amounts of time that customers stay in a certain restaurant for lunch is normally distributed with a standard deviation of 17 minutes. A random sample of 50 lunch customers was taken at this restaurant.
asked
Jul 22, 2020
Mathematics
college
2
answers
2
votes
143k
views
THOMAS HAS A BAG WITH 77 GREEN MARBLES , 55 BLUE MARBLES. AND 44 RED MARBLES. FOR EACH PART BELOW , IF THE MARBLE SELECTED IS REPLACED BEFORE THE NEXT MARBLE IS DRAWN , FIND THE PROBABILITY FOR THE GIVEN
asked
Jan 17, 2020
Mathematics
middle-school
1
answer
1
vote
158k
views
Suppose that f(2)=4 and that =0 for all x. must f(x)=4 for all x? give reasons for your answer.
asked
Sep 20, 2019
Mathematics
college
1
answer
2
votes
16.9k
views
Which of the following is a homogeneous mixture of two or more pure substances? A.) Mercury B.) Tea C.) Water D.) Alcohol
asked
Jan 10, 2019
Chemistry
middle-school
2
answers
0
votes
41.3k
views
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