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Jim Jones randomly guesses the answers to a five-question true/false section on the securities analyst exam.  If there is a 0.50 probability of making the correct choice on each question, then the probability that Jim misses exactly one question is: 

ledolter and hogg report that two different fabrics say x and y are compared on a martindate were tester that can compare two materials in a sigle run, the weights losses from seven runs are as follows: x= 36 26 31 38 28 37 22y= 39 27 35 42 31 39 21analyze these data by constructing a 90% confidence interval for the difference of the means. stat your assumption

in a coin tossed 5 times, and then a standard six-sided die is rolled 2 times, and finally a group of three cards are drawn from a standard deck of 52 cards without replacement, how many different outcomes are possible?

In order to fund her retirement, Michele requires a portfolio with an expected return of 0.10 per year over the next 30 years. She has decided to invest in Stocks 1, 2, and 3, with 25 percent in Stock 1, 50 percent in Stock 2, and 25 percent in Stock 3. If Stocks 1 and 2 have expected returns of 0.08 and 0.11 per year, respectively, then what is the minimum expected annual return for Stock 3 that will enable Michele to achieve her investment requirement?

A sales manager for an advertising agency believes there is a relationship between the number of contacts that a salesperson makes and the amount of sales dollars earned. A regression analysis shows the following results:  CoefficientsStandard Errort Statp valueIntercept-12.2016.560-1.8600.100Number of contacts2.1950.17612.5050.000  ANOVA      dfSSMSFSignificance FRegression1.0013555.4213555.42156.380.00Residual8.00693.4886.68  Total9.0014248.90     X