Mathematics, 19.11.2019 05:31 veronica25681
One of your friends is testing the effect of drinking coffee on the duration of cold symptoms. the common cold lasts, on average, 6 days. she starts with no expectations as to whether drinking coffee will have any effect at all on cold duration. after seeing the results of her experiment, in which the average cold duration was less than 6 days, she tests a one-sided alternative about the population mean cold duration when drinking coffee, h0: μcoffee = 6 ha: μcoffee < 6 she finds z = −1.68 with one-sided p-value p = 0.0465. what is the correct two-sided p-value for z = −1.68? round your answer to 4 decimal places.
Answers: 3
Mathematics, 21.06.2019 16:30
Antonio made a scale model of a building. the model's scale is 1 inch to 235 feet and its height is 3.5 inches. what is the exact height of the actual building? enter your answer in the box.
Answers: 1
Mathematics, 21.06.2019 19:30
[15 points]find the least common multiple of the expressions: 1. 3x^2, 6x - 18 2. 5x, 5x(x +2) 3. x^2 - 9, x + 3 4. x^2 - 3x - 10, x + 2 explain if possible
Answers: 3
Mathematics, 21.06.2019 20:30
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, 21.06.2019 23:20
Question 4 of 102 pointsjuliana had $96, which is eight times as much money as al had. how mucmoney did al have? select the correct solution method below, representingals money with x.
Answers: 2
One of your friends is testing the effect of drinking coffee on the duration of cold symptoms. the c...
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