Mathematics, 19.10.2021 09:30 jeffreydaboy1223
The heights of 15-year-old American boys, in inches, are normally distributed with mean and standard deviation I select a simple random sample of four 15-year-old American boys and measure their heights. The four heights, in inches, are 63 69 62 66 12. Based on these data, a 99% confidence interval for , in inches, is a. 65.00 1.55. b. 65.00 2.35. c. 65.00 3.09. d. 65.00 4.07.
Answers: 2
Another question on Mathematics
Mathematics, 21.06.2019 15:30
After being rearranged and simplified, which of the following equations could be solved using the quadratic formula? check all that apply. a. 9% + 3x2 = 14 + x-1 b. -x+ + 4x + 7 = -32-9 c. 5x + 4 = 3x4 - 2 d. 2x2 + x2 + x = 30
Answers: 1
Mathematics, 21.06.2019 18:30
Water flows at a steady rate from a tap. its takes 40 seconds to fill a 4 litre watering can from the tap. the rate at which water flows from the tap is halved. complete: 4 litres into cm3
Answers: 3
Mathematics, 21.06.2019 18:30
Jamie went to home depot.she bought 25 bags of soil that cost $9 per bag.she bought 15 pots at $8 each,and she bought 23 bags of pebbles at $15 each.she used a coupon that gave her $5 off for every 100 dollars she spent.how much did jame pay at the end?
Answers: 1
You know the right answer?
The heights of 15-year-old American boys, in inches, are normally distributed with mean and standard...
Questions
Mathematics, 27.09.2019 22:10
Mathematics, 27.09.2019 22:10
Biology, 27.09.2019 22:10
Mathematics, 27.09.2019 22:10
Computers and Technology, 27.09.2019 22:10
Health, 27.09.2019 22:10
Mathematics, 27.09.2019 22:10
