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Decide whether each of the following characteristics of a television news broadcast is a continuous or discrete random variable:
a. Number of commercials shown (e.g., five commercials).
b. Length of the first commercial shown (e.g., 15 seconds).
c. Whether there were any fatal car accidents reported (0 = there were no fatal accidents reported, 1 = there was at least one fatal accident reported).
d. Whether rain was forecast for the next day (0 = no rain forecast, 1 = rain forecast).
consider a customer service facility that is staffed with 2 representatives. we assume that the amount of time a
A statisitcs professor plans classes so carefully that the lengths of her classes are uniformly distributed between 45.0 and 55.0 minutes. Find the probability that a given class period runs less than 50.5 minutes.
Determine the probability that person selected has blood type O? Given that person selected is a male, determine the probability that their blood type is AB?
1. Justify your selection of DV, IV, and Mediator or Moderator. Develop appropriate hypotheses. 2. Develop appropriate hypotheses. 3. Test your moderation hypothesis using SPSS.
Sullivan Statistics Survey: Deficit Reduction One question on the Sullivan Statistics Survey is "Would you be willing to pay higher taxes if the tax revenue went directly toward deficit reduction?"
Use the Excel Analysis ToolPak to find the linear correlation coefficient for the systolic and diastolic measurements. Use the Excel Analysis ToolPak to determine the linear regression equation that uses the systolic pressure to predict the diastoli..
A compute manufacturer is about to unveil a new,faster PC.The new PC is faster but intial tests incidcate there is more variation in the processing time.
If profit earned in the manufacture and sale of X units of a product is P dollars where: P = 10X - 0.001X2
the number of o-ring failures for the first 23 flights of the us space shuttle challenger were0 1 0 na 0 0 0 0 0 1 1 1
a binomial distribution has 50 trials n 50 with a probability of success of 0.50 ?0.50. we would like to find the
A box contains 4 one-dollar bills and 3 five-dollar bills. You choose six bills at random and without replacement from the box. Let T6 be the amount you get. What is Var(T6)?
a coin is flipped. if a heads is flipped then the coin is flipped 2 more times and the number of heads flipped is noted
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