Mathematics, 04.11.2019 21:31 Briza19
An english teacher has been teaching a sixth grade composition class for many years. he has the feeling that over the past several years, the writing ability of students has changed. a national test of proficiency in composition was administered 5 years ago. the resulting distribution of scores was normally shaped, had a mean of 85 and a standard deviation of 10.9. in order to test his feeling, he gives his present class of 43 students the same proficiency test. the resulting mean is 80 and the standard deviation is 8.7. using the z test with α= 0.052 tail, the appropriate critical value
Answers: 1
Mathematics, 21.06.2019 14:30
F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.
Answers: 2
Mathematics, 21.06.2019 17:30
Which are factor pairs of 350? choose all answers that are correct. a) 30 and 12 b) 35 and 10 c) 70 and 5 d) 2 and 125
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Mathematics, 21.06.2019 18:00
Pat listed all the numbers that have 15 as a multiple write the numbers in pats list
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An english teacher has been teaching a sixth grade composition class for many years. he has the feel...
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