Mathematics, 05.05.2020 19:21, meowandcake
Hallmark would like to test the hypothesis that those celebrating Valentine's Day will spend more than an average of $125 on gifts. A random sample of 18 people celebrating Valentine's Day spent an average of $148.50 with a standard deviation of $34.90. Hallmark would like to set α = 0.01. Use the p-value approach to test this hypothesis.
Answers: 1
Mathematics, 21.06.2019 20:30, cgarnett5408
Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how
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Mathematics, 21.06.2019 21:30, jtorres0520
Suppose that sahil knows that 45 people with ages of 18 to 29 voted. without using a calculator, he quickly says then 135 people with ages of 30to 49 voted. is he correct? how might sohil have come up with his answer so quickly?
Answers: 3
Mathematics, 21.06.2019 22:30, zacksoccer8279
Assume that y varies inversely with x. if y=1.6 when x=0.5 find x when y=3.2 acellus answer
Answers: 2
Hallmark would like to test the hypothesis that those celebrating Valentine's Day will spend more th...
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