Mathematics, 18.11.2019 22:31, amberc5110
Customers at costco spend an average of $130 per trip (the wall street journal, october 6, 2010). one of costco's rivals would like to determine whether its customers spend more per trip. a survey of the receipts of 25 customers found that the sample mean was $135.25. assume that the population standard deviation is $10.50 and that spending follows a normal distribution. use standard normal curve area table. a,specify the appropriate null and alternative hypotheses to test whether average spending at the rival�s store is more than $130.b. calculate the value of the test statistic. c.calculate the p-value. dcalculate the critical value
Answers: 2
Mathematics, 21.06.2019 20:30, nsbegay2007
Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.
Answers: 2
Mathematics, 22.06.2019 02:00, BeenPaidGLO
Aflagpole broke in a storm. 77 7 meters are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground at a point 2424 24 meters away horizontally
Answers: 1
Mathematics, 22.06.2019 02:30, lancaster4977p8mk46
Mr. jones determined that the equation y = 98 - 16/5 x could be used to predict his students' unit test scores, based on the number of days, x, a student was absent during the unit. what was the meaning of the y-intercept of the function? (by the way the 16/5 is a )
Answers: 3
Customers at costco spend an average of $130 per trip (the wall street journal, october 6, 2010). on...
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