subject
Mathematics, 27.06.2019 17:30 smokemicpot

The overhead reach distances of adult females are normally distributed with a mean of 200 cm and a standard deviation of 7.8 cm. a. find the probability that an individual distance is > 210.00 cm. b. find the probability that the mean for 25 randomly selected distances is > 197.80 cm. c. why can the normal distribution be used in part (b), even though the sample size does not exceed 30?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 13:30
Tom is making a punch that contains 80% cranberry juice and the rest ginger ale. the punch has 2 liters of ginger ale. part a: write an equation using one variable that can be used to find the total number of liters of cranberry juice and ginger ale in the punch. define the variable used in the equation and solve the equation. hint: 0.8x represents the number of liters of cranberry juice in the punch. (5 points) part b: how many liters of cranberry juice are present in the punch? show your work.
Answers: 1
question
Mathematics, 21.06.2019 16:00
Data are collected to see how many ice-cream cones are sold at a ballpark in a week. day 1 is sunday and day 7 is the following saturday. use the data from the table to create a scatter plot.
Answers: 2
question
Mathematics, 21.06.2019 16:50
Kapil needed to buy a long wooden beam. he went to two sawmills that each charge an initial fee plus an additional fee for each meter of wood. the following equation gives the price (in dollars) of a wooden beam from the first sawmill as a function of its length (in meters). p = 5+20xp=5+20x
Answers: 1
question
Mathematics, 21.06.2019 19:00
Since opening night, attendance at play a has increased steadily, while attendance at play b first rose and then fell. equations modeling the daily attendance y at each play are shown below, where x is the number of days since opening night. on what day(s) was the attendance the same at both plays? what was the attendance? play a: y = 8x + 191 play b: y = -x^2 + 26x + 126 a. the attendance was never the same at both plays. b. the attendance was the same on day 5. the attendance was 231 at both plays on that day. c. the attendance was the same on day 13. the attendance was 295 at both plays on that day. d. the attendance was the same on days 5 and 13. the attendance at both plays on those days was 231 and 295 respectively.
Answers: 1
You know the right answer?
The overhead reach distances of adult females are normally distributed with a mean of 200 cm and a s...
Questions
question
Mathematics, 07.11.2020 02:10
question
Mathematics, 07.11.2020 02:10
question
Mathematics, 07.11.2020 02:10
question
Health, 07.11.2020 02:10
question
Health, 07.11.2020 02:10