Mathematics, 18.12.2019 20:31 amelvin41
The manager of a grocery store has taken a random sample of 100 customers. the average length of time it took the customers in the sample to check out was 3.1 minutes. the population standard deviation is known to be 0.5 minute. we want to test to determine whether or not the mean waiting time of all customers is significantly more than 3 minutes.
a. 0500 b. 0228 c. 0456 d. 0250
Answers: 1
Mathematics, 21.06.2019 16:00
The classrooms are trying to raise $1,200.00 for charity. mrs. leblanc's class has raised 50%. mr. patel's class has raised $235.14 ms. warner's class has raised 1/3 as much as mrs. leblanc's class. how much more money is needed to reach the goal of $1,200.00?
Answers: 1
Mathematics, 21.06.2019 18:30
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Mathematics, 21.06.2019 20:00
What are the domain and range of the function f(x)=2^x+1
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Mathematics, 22.06.2019 02:30
Carlos by 24 mi and ran 6 miles what is the ratio of the distance carlos ran to the distance he biked
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The manager of a grocery store has taken a random sample of 100 customers. the average length of tim...
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