Mathematics, 21.11.2019 23:31 keke6361
The graduate record examination (gre) is a test required for admission to many us graduate schools. student’s scores on the quantitative portion of the gre follow a normal distribution with a mean of 150 and a standard deviation of 8.8. an admissions officer at a large graduate school believes the mean is less than 150. a)determine the null and alternative hypotheses.
b)explain what it would mean to make a type i error.
c)explain what it would mean to make a type ii error.
Answers: 2
Mathematics, 21.06.2019 19:10
At a kentucky friend chicken, a survey showed 2/3 of all people preferred skinless chicken over the regular chicken. if 2,400 people responded to the survey, how many people preferred regular chicken?
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Mathematics, 21.06.2019 21:30
Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a,b and c integers and a> 1
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Mathematics, 21.06.2019 21:50
Rachel is studying the population of a particular bird species in a national park. she observes every 10th bird of that species that she can find in the park. her conclusion is that the birds living in the park who belong to that species generally feed on insects. rachel's sample is . based on the sample she picked, rachel's generalization is . reset next
Answers: 1
Mathematics, 21.06.2019 23:50
4. (10.03 mc) the equation of line cd is y = −2x − 2. write an equation of a line parallel to line cd in slope-intercept form that contains point (4, 5). (4 points) y = −2x + 13 y = negative 1 over 2 x + 7 y = negative 1 over 2 x + 3 − 2x − 3
Answers: 2
The graduate record examination (gre) is a test required for admission to many us graduate schools....
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