subject
Mathematics, 25.09.2021 07:30 hntnhtthnyt

Suppose that the distribution of scores on an exam is mound shaped and approximately symmetric. The exam scores have a mean of 100 and the 16th percentile is 75. (Use the Empirical Rule.) (a)

What is the 84th percentile?

(b)

What is the approximate value of the standard deviation of exam scores?

(c)

What is the z-score for an exam score of 90?

(d)

What percentile corresponds to an exam score of 150?

%

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 16:30
The equation of a circle is (x - 3)2 + (y - 7)2 = 25. determine the length of the radius. 4 25 12.5 5 write the standard equation of the circle with center (2, 3) and a diameter of 12. (x - 2)2 + (y - 3)2 = 36 (x + 2)2 + (y + 3)2 = 12 (x - 2)2 + (y - 3)2 = 6 (x - 3)2 + (y - 2)2 = 36 the equation of a circle is (x + 3)2 + (y + 7)2 = 25. where is (3, 4) located in relation to the circle? on the circle in the interior of the circle in the exterior of the circle at the center of the circle
Answers: 1
question
Mathematics, 21.06.2019 19:30
Write the expression 7x^3-28xy^2 as the product of 3 factors
Answers: 2
question
Mathematics, 21.06.2019 23:00
Someone answer this asap for the first five terms of a sequence are shown. 5, 11, 23, 47, 95, . . which recursive function defines the nth term in the sequence for n > 1? a. f(n) = f(n - 1) + 6 b) f(n) = f(n - 1) + 48 c) f(n) = 3 • f(n - 1) + 1 d) f(n) = 3 • f(n - 1) - 4
Answers: 1
question
Mathematics, 22.06.2019 02:00
Find the distance of the blue line between the two labeled points. round to the nearest hundredth. a) 7.07 b) 7.21 c) 10 d) 5.12
Answers: 3
You know the right answer?
Suppose that the distribution of scores on an exam is mound shaped and approximately symmetric. The...
Questions
question
Mathematics, 30.08.2019 04:30
question
Mathematics, 30.08.2019 04:30