Mathematics, 03.06.2021 14:00 queenpaige2015
The replacement times for DVD players are normally distributed with a mean of 7.1 years and a standard deviation of 1.5 years (data from Consumer Reports). What is the probability that a randomly selected DVD player will be replaced in less than 5 years? In a city, it is estimated that the maximum temperature in June is normally distributed with a mean of 23º and a standard deviation of 5°. Calculate the probability of having a maximum temperature between 20° and 28°.
Answers: 2
Mathematics, 21.06.2019 19:30
Select the margin of error that corresponds to the sample mean that corresponds to each population: a population mean of 25, a standard deviation of 2.5, and margin of error of 5%
Answers: 2
Mathematics, 21.06.2019 20:30
1. evaluate 8x(2)y9(-2) for x=-1 and y=2 2. simplify the equation. -() 3. simplify the expression. [tex]\frac{5}{x(-2) y9(5)}[/tex]
Answers: 1
Mathematics, 21.06.2019 22:00
The point of intersection of the diagonals of a rectangle is 4 cm further away from the smaller side then from the larger side of the rectangle. the perimeter of the rectangle is equal to 56 cm. find the lengths of the sides of the rectangle. 16 points answer quick
Answers: 1
The replacement times for DVD players are normally distributed with a mean of 7.1 years and a standa...
Geography, 20.01.2021 05:50
Social Studies, 20.01.2021 05:50
History, 20.01.2021 05:50
Mathematics, 20.01.2021 05:50
Mathematics, 20.01.2021 05:50
Mathematics, 20.01.2021 05:50
Biology, 20.01.2021 05:50
Mathematics, 20.01.2021 05:50
Mathematics, 20.01.2021 05:50
Geography, 20.01.2021 05:50