Get your original paper written from scratch starting at just $10 per page with a plagiarism report and free revisions included!
Determine the probabilities for the following normal distribution problems.
Round the values of z to 2 decimal places.Round your answers to 4 decimal places.
(a) μ = 604, σ = 56.8, x ≤ 635:
(c) μ = 111, σ = 33.8, 100 ≤ x < 150:
(d) μ = 264, σ = 10.9, 250 < x < 255:
In a recent year, the average price of a Microsoft Windows Upgrade was $90.28 according to PC Data. Assume that prices of the Microsoft Windows Upgrade that year were normally distributed, with a standard deviation of $8.53. If a retailer of computer software was randomly selected that year:
Round the values of z to 2 decimal places. Round your answers to 4 decimal places, the tolerance is +/-0.0001.
(a) What is the probability that the price of a Microsoft Windows Upgrade was below $80?
(b) What is the probability that the price was above $95?
(c) What is the probability that the price was between $83 and $87?
Suppose you are working with a data set that is normally distributed, with a mean of 300 and a standard deviation of 44. Determine the value of x from the following information.
Round your answers and z values to 2 decimal places.
(a) 70% of the values are greater than x.
(b) x is less than 13% of the values.
(c) 25% of the values are less than x.
The aim of our service is to provide you with top-class essay help when you ask us to write my paper; we do not collect or share any of your personal data. We use the email you provide us to send you drafts, final papers, and the occasional promotion and discount code, but that’s it!Order Now