subject
Mathematics, 27.05.2020 17:59 wolfgirl48

The overhead reach distances of adult females are normally distributed with a mean of 205 cm and a standard deviation of 7.8 cm. a. Find the probability that an individual distance is greater than 218.40 cm. b. Find the probability that the mean for 25 randomly selected distances is greater than 203.50 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 12:30
Timed*** there are 8 rows and 8 columns, or 64 squares on a chessboard. suppose you place 1 penny on row 1 column a, 2 pennies on row 1 column b, 4 pennies on row 1 column c, and so on … how many pennies are on each square? a =   b =   c = d =   e =   f = g =   h =
Answers: 1
question
Mathematics, 21.06.2019 14:50
What is f(3) for the quadratic functionf(x)=2x2 + x – 12? f -3g 3h 6i. 9
Answers: 1
question
Mathematics, 21.06.2019 20:30
Select all expressions that are equivalent to 2(3x + 7y). question 1 options: 6x + 14y 6x + 7y 1(6x + 14y)
Answers: 1
question
Mathematics, 22.06.2019 00:30
The value, v, of kalani’s stock investments over a time period, x, can be determined using the equation v=750(0.80)^-x. what is the rate of increase or decrease associated with this account? 20% decrease 20% increase 25% decrease 25% increase
Answers: 1
You know the right answer?
The overhead reach distances of adult females are normally distributed with a mean of 205 cm and a s...
Questions
question
English, 11.07.2019 02:30