Mathematics, 30.11.2019 06:31 acamjackie25561
The random variable x is normally distributed with mean 5 and standard deviation 25. the random variable y is defined by y = 2 + 4x. what are the mean and the standard deviation of y ? the mean is 20 and the standard deviation is 102.
a) the mean is 20 and the standard deviation is 50.
b) the mean is 22 and the standard deviation is 102.
c) the mean is 22 and the standard deviation is 100.
d) the mean is 22 and the standard deviation is 50.
Answers: 3
Mathematics, 21.06.2019 17:00
Find dy/dx using implicit differentiation ln(20+e^xy)=y
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Mathematics, 21.06.2019 21:00
The sum of the first eight terms of an arithmetic progression is 9m + 14. the fifth term of the06 progression is 2m - 6, where m is a constant.given that the first term of the progression is 26,find the value of the common difference, d and thevalue of m.
Answers: 1
Mathematics, 21.06.2019 21:30
The box plots show the average speeds, in miles per hour, for the race cars in two different races. which correctly describes the consistency of the speeds of the cars in the two races?
Answers: 3
The random variable x is normally distributed with mean 5 and standard deviation 25. the random vari...
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