## Statistics Resources

I have two sets of customers A and B and I measure satisfaction score based on their response to the questionnaire. I need help with the following calculation. I have 1 million customers in...

14. A researcher studied the relationship between familiarity of certain unusual words and the time participant took to indicate whether the word is singular or plural. Participants rated their familiarity...

2. During 2011, the Scottish Crime and Drugs Enforcement Agency (SCDEA) repeatedly seized hauls of illicit white powders (DOC 20111129 fentanyl in Scotland 2011 for UKFP (Links to an external site...

Heights of men on a baseball team have a bell-shaped distribution with a mean of 177 cm and a standard deviation of 6 cm. Using the empirical rule, what is the approximate percentage of the men between...

If you purchase savings bonds in random increments from \$20 to \$1,000 each month for a period of 20 years what are the odds of the total at maturity equals \$90,000 even.

The product yield was measured for a reaction whereby the temperature, pressure and reaction time were varied.   Temperature (oC) Pressure (atm) Reaction time (h) Product yield (%) 30...

Here goes:   I have a team composed of 5 players. Each player has played in a pool of hundreds of thousands of players, hundreds of games, say 500 games. Every time that player was teamed...

The probabilities that a batch of 4 computers will contain 0,1,2,3, and 4 defective computers are 0.6275,0.3102,0.0575,0.0047 and 0.0001, respectively. What is the probability that a randomly selected...

a. What is the probability that Xbar is less than 49?   b. What is the probability that Xbar is between 49 and 50.5?   c. c. What is the probability that Xbar is above...

## Stuck?

Find the perfect tutor and raise your grades.