Not your question?
Ask your question
View similar questions
Add your answer here.Check out some similar questions!
Statistics
[ 2 Answers ]
A study of long distance phone calls made the corporate offices of a company showed the calls follow a normal distribution. The mean length of time per call was 4.2min and the standard deviation was 0.60min. a) What fraction of the calls last between 4.2 and 5 minutes:) b) What fraction of the...
Statistics
[ 2 Answers ]
I need help with these two 2nd year university statistics problem: Q.1 Let the discrete random variable of Y have a conditional uniform probability distribution on {1,2,. x}; ie: P(Y=y|X=x)=1/x, y=1,2,. x. Determine the unconditional mean and variance of Y in...
Statistics
[ 3 Answers ]
True or False T F 1. P(X > x ) + P(X < x) + P(X = x) = 1. T F 2. If P(X > x) = 0.34 and P(X = x) = 0.10, then P(X £ x) = 0.56. T F 3. In a probability histogram, the area of each rectangle equals the probability that the random variable will...
Statistics
[ 1 Answers ]
Someone please give me an example of confidence interval and interpret the results. View more questions Search
|