Mathematics, 08.11.2019 06:31, Isactuallycarter99
Ascrap metal dealer claims that the mean of his cash scales is "no more than $80," but an internal revenue service agent believes the dealer is untruthful. observing a sample of 20 cash customers, the agent finds the mean purchases to be $91, with a standard deviation of $21. assuming the population is approximately normally distributed, and using the 0.05 level of significance, what is the calculated value of test statistic? (specify your answer to the 3rd decimal.)
Answers: 2
Mathematics, 21.06.2019 14:00, kenziepickup
Roger and natalie travel in similar cars. roger's car drives the two miles to school in 7.5 minutes. natalie drives the same distance in the opposite direction but in only 6.5 minutes. what is true of their velocities?
Answers: 1
Mathematics, 21.06.2019 20:00, aliahauyon20
The rectangle shown has a perimeter of 108 cm and the given area. its length is 6 more than five times its width. write and solve a system of equations to find the dimensions of the rectangle.
Answers: 3
Mathematics, 21.06.2019 22:00, fatherbamboo
Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4
Answers: 2
Mathematics, 21.06.2019 22:00, costel8532
Which of the following graphs could represent a cubic function?
Answers: 1
Ascrap metal dealer claims that the mean of his cash scales is "no more than $80," but an internal r...
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