Mathematics, 25.02.2020 04:36, mathsux6600
A normal population has a mean 100 and variance 25. How large must the sample size be if we want the standard error of the sample average to be at most 1.5? The sample size is an integer value.
Answers: 2
Mathematics, 21.06.2019 13:30, hsjsjsjdjjd
1. the following set of data represents the number of waiting times in minutes from a random sample of 30 customers waiting for service at a department store. 4 5 7 10 11 11 12 12 13 15 15 17 17 17 17 17 18 20 20 21 22 22 23 24 25 27 27 31 31 32 a. determine the number of classes and class interval.
Answers: 3
Mathematics, 21.06.2019 16:30, RealGibbon857
The temperature of chicken soup is 192.7°f. as it cools, the temperature of the soup decreases 2.3°f per minute. what is the temperature in degrees fahrenheit of the soup after 25 minutes? a. 27.3°f b. 57.5°f c. 135.2°f d. 250.2°f
Answers: 1
A normal population has a mean 100 and variance 25. How large must the sample size be if we want the...
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History, 20.07.2019 16:30
Mathematics, 20.07.2019 16:30
Mathematics, 20.07.2019 16:30
Mathematics, 20.07.2019 16:30
History, 20.07.2019 16:30