Mathematics, 28.01.2021 21:00 meaddestinee
A teacher predicts what the distribution of grades on the final exam will be and they are recorded in the table below. Grade Proportion A 0.25 B 0.30 C 0.35 D 0.10 The actual distribution for a class of 20 is in the table below. Grade Frequency A 7 B 7 C 5 D 1 State the null and alternative hypotheses. H0: The observed class grades do not fit the expected grades. Ha: The observed class grades fit the expected grades. H0: The distribution of frequency for each grade is the same. Ha: The distribution of frequency for each grade is not the same. H0: The distribution of frequency for each grade is not the same. Ha: The distribution of frequency for each grade is the same. H0: The observed class grades fit the expected grades. Ha: The observed class grades do not fit the expected grades.
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 20:00
Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?
Answers: 1
Mathematics, 21.06.2019 20:40
Which questions would most a reader identify the author's purpose for writing? check all that apply. what type of text is this? what type of reviews did the book receive? how many copies of the book have been sold? what is the central idea? how does this text make one feel?
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A teacher predicts what the distribution of grades on the final exam will be and they are recorded i...
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