# Question posted by kdelong

## kdelong from CMU

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## Questions Posted by kdelong

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Bounty Status Category Sub-Category Question Due
\$0.75 Closed, closed Mathematics Statistics statistics question
The length of time it takes to find a parking spot follows a normal distribution with a mean of 5 minutes and a standard deviation of 2 minutes. What is the probability that it takes more than 4...
Sep. 22, 2010
\$0.75 Closed, closed Mathematics Statistics statistics help please
Company A purchases parts from a supplier. The company inspects 6 items at random. Suppose, from the past history , the probability of defective of a part is .10. Find the probability of at most...
Sep. 19, 2010
\$0.75 Closed, closed Mathematics Statistics statistics question
A professional basketball player makes 80% of his first free throw. Given he makes the first free throw, probability that he makes the 2nd free throw is 0.9. Given he misses the first free throw,...
Sep. 19, 2010
\$0.75 Closed, closed Mathematics Statistics statistics question
The following are three random variables: (I) The distance away from home for students in miles (II) The number of defective items in testing 5 products. (III) The entry level salary for college...
Sep. 19, 2010
\$0.75 Closed, closed Mathematics Statistics statistics question
TRUE or FALSE   Determine if the following statement is true or false X ~ N(-20, 10). Then, P( X > 0 )
Sep. 19, 2010
\$0.75 Closed, closed Mathematics Statistics statistics question
Company A manufactures window frames. Suppose the target width is 36 inches, the process standard deviation is .50 inches and the distribution of the width is approximately normal. A widow frame...
Sep. 19, 2010
\$0.75 Closed, closed Mathematics Statistics statistics question
The on-line access computer service industry is growing at an extraordinary rate. Current estimates suggest that 60% of home computers have access to on-line services. Suppose 25 people with home...
Sep. 19, 2010
\$0.50 Closed, closed Mathematics Statistics statistics question
TRUE or FALSE Determine if the following statement is true or false X ~ N(10, 20). Then, P(X > 0) = P(X
Sep. 19, 2010
\$0.50 Closed, closed Mathematics Statistics statistics question
TRUE or FALSE   Determine if the following statement is true or false X ~ N( -50, 20). Then P( X
Sep. 22, 2010
\$0.75 Closed, closed Mathematics Statistics statistics question
Z~N(0,1) P(Z ) = .01, then z is equal to choices     2.0     2.33     -2.33     -2.0
Sep. 19, 2010