Find the critical value and rejection region for the type of z-test with level of significance α. Left-tailed test, α = 0.01

A Reuters poll of 1007 randomly selected adults show that 93% of them know twitter. Find the margin of Error, E, with 90% CL E = ( Z_(a/2)) (Sqrt (pq/n))

The mean age of Taxi drivers in Miami is 65.9 years. If a hypothesis test is performed, how should you interpret a decision that rejects the null hypothesis?

The probability that events A or B will occur, P(A or B), is given by P(A or B) = P(A) + P(B) P(A and B). If events A and B are mutually exclusive, then the rule can be simplified to ___________. It is because __________

No prior data given. How do you find n?

Continuity correction represents _______ whole number x by the interval ______

If 3 of the 50 subjects are randomly selected without replacement, find the probability that the first person tested positive and the second person tested negative and the third tested positive. Use the chart below:  

Topford supplies X-Data DVDs in lots of 60, and they have a reported defect rate of 0.8% so the probability of a disk being defective is .008. What is the probability of getting at least one defective disk in a lot of 60? P (At least 1 defective disk in 60) =

Pew Research revealed 92% of adults know twitter. 5 adults were randomly chosen. What is the probability the first three consecutive adults know twitter.

Pew Research revealed 92% of adults know twitter. 5 adults were randomly chosen. What is the probability Exactly 3 adults know twitter. Note: 5C3 means 5 combination 3 where order is not important