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A standard die has its faces painted different colors. Faces3,4,6 are red, faces 2 and 5 are black and face 1 is white.
a) Find the probability that when the die is rolled, a black or even numbered face shows uppermost.
a game is played by rolling the die onvce. If any of the red faces show uppermost, the player wins the dollar amount showing, while id a black faces shows, the player losed twice the amount showing. If a white face shows, he wins or loses nothing.
b) find the probability function of the palyer's winnings X
c) find the expected amount won. Would you play this game?
Frequently, tests that yield abnormal results are repeated for confirmation. What is the probability that for a normal person a test will be at least 1.5 times as high as the upper limit of normal on two separate occasions?
Company are interested in how a new spaghetti sauce made from green tomatoes (and green in color) will compare to their traditional red spaghetti sauce. They are worried that the green color will adversely affect the tastiness scores.
Choose a product you are familiar with as a consumer. Answer the following. What type of demand patterns would that product have - cyclical, secular, seasonal, etc. or a combination of several types? Explain.
What if the number of debilitating network viruses detected in a day at the firewalls of an Internet service provider within a certain geographic region is fueling a possible management decision to upgrade the detection system.
Can the company claim that they are faster than the average utility?
You have been research for your statistics class on how nervous the American adults are in general, you have decided to use HINTS 2007 data set that has a scale (going from 0 to 24)measuring the psychological distress of the respondents.
The average price of a home is reported to be $203,190. Use this price as the population mean, and assume the population standard deviation is 43,890.
Discuss how scale impacts the interpretation of a graph and name the lowest number of a statistically significant sample size and state the statistically appropriate percentage total of displays
The z-score of 1.33 tells you that Eric's time to get to work is 1.33 standard deviations from the mean.
What is the Z score for a person who watches more than 8 hours per day?
Using the .02 level of significance, conduct a five-step hypothesis testing procedure to determine if the new processes significantly reduced the wait time.
Construct a 99% confidence interval estimate of the population mean amount of paint in a 1-gallon can.
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