Quantitative Methods

5 May 2016

A silver dollar is flipped twice. Calculate the probability of each of the following occurring: (a) a head on the first flip (b) a tail on the second flip given that the first toss was a head

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(c) two tails
(d) a tail on the first and a head on the second
(e) a tail on the first and a head on the second or a
head on the first and a tail on the second
(f) at least one head on the two flips

Susan Williams has been the production manager of Medical Suppliers, Inc., for the past 17 years. Medical Suppliers, Inc., is a producer of bandages and arm slings.

During the past 5 years, the demand for No-Stick bandages has been fairly constant. On the average, sales have been about 87,000 packages of No-Stick. Susan has reason to believe that the distribution of No-Stick follows a normal curve, with a standard deviation of 4,000 packages.
What is the probability that sales will be less than 81,000 packages?

Susan Williams has been the production manager of Medical Suppliers, Inc., for the past 17 years. Medical Suppliers, Inc., is a producer of bandages and arm slings. During the past 5 years, the demand for No-Stick bandages has been fairly constant.

On the average, sales have been about 87,000 packages of No-Stick. Susan has reason to believe that the distribution of No-Stick follows a normal curve, with a standard deviation of 4,000 packages. What is the probability that sales will be less than 81,000 packages? ———-

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