Mathematics, 20.12.2019 03:31 ineedhelp2285
Among all monthly bills from a certain credit card company, the mean amount billed was $465 and the standard deviation was $300. in addition, for 15% of the bills, the amount billed was greater than $1000. a sample of 900 bills is drawn. what is the probability that the average amount billed on the sample bills is greater than $500? (round the final answer to four decimal places.)
Answers: 2
Mathematics, 21.06.2019 14:00, theoriginalstal9245
News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of
Answers: 1
Mathematics, 21.06.2019 14:30, christinafish9303
Which statement about the relative areas of ? abc and ? xyz is true? the area of ? abc > the area of ? xyz the area of ? abc < the area of ? xyz the area of ? abc = the area of ? xyz more information is needed to compare.
Answers: 2
Mathematics, 21.06.2019 16:10, lilyplant4289
The number of hours per week that the television is turned on is determined for each family in a sample. the mean of the data is 37 hours and the median is 33.2 hours. twenty-four of the families in the sample turned on the television for 22 hours or less for the week. the 13th percentile of the data is 22 hours. approximately how many families are in the sample? round your answer to the nearest integer.
Answers: 1
Among all monthly bills from a certain credit card company, the mean amount billed was $465 and the...
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