Mathematics, 22.10.2019 03:50 james234886
The overhead reach distances of adult females are normally distributed with a mean of 197.5 cm and a standard deviation of 8.6 cm.
a. find the probability that an individual distance is greater than 206.80 cm.
b. find the probability that the mean for 15 randomly selected distances is greater than 196.20 cm.
c. why can the normal distribution be used in part (b), even though the sample size does not exceed 30?
Answers: 2
Mathematics, 21.06.2019 15:20
Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?
Answers: 3
Mathematics, 21.06.2019 21:00
Which line is parallel to the line that passes through the points (2, –5) and (–4, 1) a. y=-x+5 b. y=-2/3x+3 c. y=2/3x-2 d. y=x+5
Answers: 2
Mathematics, 21.06.2019 22:40
Present age of man is 45 years, 5 years back his age was 4 times age of his son what is present age of his son?
Answers: 2
Mathematics, 21.06.2019 23:40
Identify the parent function that can be used to graph the function f(x)=3(x-9)2
Answers: 1
The overhead reach distances of adult females are normally distributed with a mean of 197.5 cm and a...
Biology, 14.10.2020 01:01
Social Studies, 14.10.2020 01:01
Mathematics, 14.10.2020 01:01
Mathematics, 14.10.2020 01:01
Chemistry, 14.10.2020 01:01
Mathematics, 14.10.2020 01:01