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A company is bidding on three contracts with values of $20 million, $80 million and $50 million with corresponding win probabilities of ½ ¼ and ¾.
a) Determine and plot the probability mass function and probability distribution function of the contract award amount (in millions of dollars).
b) What is the probability of being awarded at least $100 million?
c) What is the mean, variance & standard deviation of contract award amount (in millions of dollars)?
According to Advertising Age, average base salary for women working as copywriters in advertising firms is higher than average base salary for men. The average base salary for women is $67,000 and the average base salary for men is $65,500 (Workin..
What descriptive summary measures would you use to present the data. which measure is the best to use and which is the worse and why?
It is better to use the median rather than the mean for a distribution when:
A system consists of five identical components connected in parallel. Determine the reliability of the components such that the system reliabilty is 97%.
Under what circumatances do you use a one-sided confidence interval instead of a 2 sided confidence interval?
When we say we have confidence level of 95% what do you believe our "margin of error" is?
The structure of a two factor study can be presented as a matrix with levels of one factor determining the rows and the levels of the second factor determining the columns. With this structure in mind, describe the mean differences that are evalua..
What effect has the transformation had on the lowest exam mark and what effect has the transformation had on the highest exam mark - STATS 201/8 Data Analysis
The number of children, x, belonging to each of eight families registering for swimming was 2, 2, 2, 4, 2, 1, 2, 2. Find the mean, x. (Give answer correct to 2 decimal places.)
The Statistical Abstract of the United States published by the US Census Bureau reports that the average annual consumption of fresh fruit per person is 99.9 pounds.
Consider a multinomial experiment involving n = 300 and k = 5 cells. The observed frequencies resulting from the experiment are shown in the accompanying table, and the null hypothesis to be tested is as follows:
To find out the alternate hypotheses also critical value. A truck dealer claims where a new model will give trouble free service for at least 15,000 miles.
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