Normally distributed with the mean
A set of data items is normally distributed with the mean of 400 and standard deviation of 60. Determine the data item in this distribution that corresponds to following z-score:
z = 3
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Determine coordinates of center of circle. What radius must carpenters use to draw arch? Illustrate the work, formulas, rules, and computations for the problem.
Manufacturers total cost comprise of the fixed ovrhead cost of $12000 plus production cost of $400 per unit. How many refrigerator should be sold to break even?
The GPA of sample of students in UCCB has sample mean 3.9106 and sample standard deviation 0.256, with 95% confidence interval (3.488,4.333). Which of the following is right?
Let X be a continuous random variable with the pdf:
Four corner posts are 30 (dollars) each, consider x be length of sides perpendicular to river. Find length of side perpendicular to river in feet?
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Painkiller is the medicine that suppresses pains, like headache. Two types of new painkillers, say A and B are going to be in market. Both painkillers have very little side effects, if taken according to recommended daily dosage.
The manufacturer discovers that revenue generated by selling x units of the certain commodity is provided by function R(x)=80x-0.4x2.
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