11. Use the given information to find the minimum sample size required to estimate an
unknown...
Mathematics, 12.03.2020 18:25 OlamideO3
11. Use the given information to find the minimum sample size required to estimate an
unknown population mean p.
ping
How many commuters must be randomly selected to estimate the mean driving time of Chicago
commuters? We want 98% confidence that the sample mean is within 4 minutes of the population
mean, and the population standard deviation is known to be 12 minutes.
o 25
049
o60
035
Answers: 1
Mathematics, 21.06.2019 16:30
Abby is preparing fruit punch for her party. she starts with a bowl filled with liquid that has 1/2 fruit juice and 1/2 sprite, but she decides it's too fruity. so she pours out 1/4 of the liquid, and then fills the bowl up again with sprite. what fraction of the punch is now sprite?
Answers: 1
Mathematics, 21.06.2019 17:00
Use the frequency distribution, which shows the number of american voters (in millions) according to age, to find the probability that a voter chosen at random is in the 18 to 20 years old age range. ages frequency 18 to 20 5.9 21 to 24 7.7 25 to 34 20.4 35 to 44 25.1 45 to 64 54.4 65 and over 27.7 the probability that a voter chosen at random is in the 18 to 20 years old age range is nothing. (round to three decimal places as needed.)
Answers: 1
Mathematics, 21.06.2019 18:30
Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?
Answers: 1
Mathematics, 21.06.2019 19:00
Human body temperatures have a mean of 98.20° f and a standard deviation of 0.62°. sally's temperature can be described by z = 1.4. what is her temperature? round your answer to the nearest hundredth. 99.07°f 97.33°f 99.60°f 100.45°f
Answers: 1
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