Mathematics, 02.11.2020 16:30 MendesMist
Ten years ago, an organization reported that teenagers spent an average of 4.5 hours per week on the phone. The organization thinks that the current mean is higher. To test the claim, fifteen randomly chosen teenagers were asked how many hours per week they spend on the phone. The sample mean was 4.75 hours with a sample standard deviation of 2.0. Suppose that an appropriate hypothesis test is conducted to test the claim that the mean hours is more than 4.5 hours per week. What is the Type I error
Answers: 3
Mathematics, 21.06.2019 15:00
Find parametric equations for the line tangent to the curve of intersection of the surfaces at the given point. surfaces: xsquared2plus+2yplus+2zequals=1212 yequals=33 point: left parenthesis 1 comma 3 comma five halves right parenthesis
Answers: 1
Mathematics, 21.06.2019 19:30
Sundar used linear combination to solve the system of equations shown. he did so by multiplying the first equation by 5 and the second equation by another number to eliminate the y-terms. what number did sundar multiply the second equation by? 2x+9y=41 3x+5y=36
Answers: 1
Mathematics, 21.06.2019 20:30
choose the correct definition for extremo. a. end b. extra c. extract d. eventual
Answers: 2
Ten years ago, an organization reported that teenagers spent an average of 4.5 hours per week on the...
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