Mathematics, 10.01.2020 02:31 EricaCox1
Arandom sample of 85 supervisors revealed that they worked an average of 6.5 years before being promoted. the population standard deviation was 1.7 years. using the 0.95 degree of confidence, what is the confidence interval for the population mean? select one: a. 6.99 and 7.99 b. 4.15 and 7.15 c. 6.14 and 6.86 d. 6.49 and 7.49
Answers: 3
Mathematics, 21.06.2019 21:30
Three friends went on a road trip from phoenix, az, to san diego, ca. mark drove 50 percent of the distance. jason drove 1/8 of the distance. andy drove the remainder of the distance. 1. andy thinks he drove 1/4 of the distance from phoenix, az, to san diego, ca. is andy correct? 2. the distance from phoenix, az, to san diego, ca, is 360 miles. how many miles did each person drive? 3. solve the problem. what is the answer in total?
Answers: 3
Mathematics, 21.06.2019 22:00
Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4
Answers: 2
Mathematics, 22.06.2019 02:00
Mr. thompson took five of his children to the bowling alley the cost for children 12 and older is 350 the cost of four children under 12 inch to 25 he spent a total of 1625 how many of his children are 12 and order
Answers: 1
Arandom sample of 85 supervisors revealed that they worked an average of 6.5 years before being prom...
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