Mathematics, 20.10.2019 16:30 haileeattaway
Consider an advertisement at the movies. before you can see the newly released movie you have just paid to see, you must sit through a variety of trivia slides, snack bar ads, paid product advertising, and movie trailers. although the total barrage of advertising may last up to 20 minutes or more, a particular theater chain claims that the average length of any one advertisement is no more than 3 minutes. to test this claim, 50 theater advertisements were randomly selected and found to have an average duration of 3 minutes 15 seconds with a standard deviation of 30 seconds. do the data provide sufficient evidence to indicate that the average duration of theater ads is more than that claimed by the theater?
Answers: 2
Mathematics, 21.06.2019 16:00
Sam makes his sales calls according to a pattern. he travels either north or south depending on the calendar. some of his past trips were as follows: on february 17, april 24, june 10, september 19, and november 3 he drove north. on february 28, may 25, august 22, november 20, and december 18, he drove south. describe sams' pattern. in which direction will sam drive on oct4 and oct 24?
Answers: 1
Mathematics, 21.06.2019 18:00
Jenisey has $24 to spend on seven pencils. after buying them she had $10. how much did each pencil cost.?
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Mathematics, 21.06.2019 19:10
What is the absolute value of the complex number -4-sqrt2i
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Consider an advertisement at the movies. before you can see the newly released movie you have just p...
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