Mathematics, 02.04.2020 02:19 rudokingbro6657
Scores on the SAT verbal test in recent years follow approximately the N(515, 109) distribution.
The proportion of students scoring between 460 and 550 is closest to
A. 0.317.
B. 0.309.
C. 0.626.
D. 0.681.
Answers: 3
and standard deviation 
, the zscore of a measure X is given by:
Other questions on the subject: Mathematics
Mathematics, 21.06.2019 17:00, scastillo8
Mary beth used the mapping rule to find the coordinates of a point that had been rotated 90° counterclockwise around the origin. examine the steps to determine whether she made an error. m (3, –6) is rotated 90° counterclockwise. (x, y) → (–y, x) 1. switch the x- and y-coordinates: (6, –3) 2. multiply the new x-coordinate by –1: (6(–1), –3) 3. simplify: (–6, –3) .
Answers: 1
Mathematics, 21.06.2019 23:30, Annaborden02
What is the measure of angle 1? a.28 b.152 c.168 d.64
Answers: 1
Mathematics, 22.06.2019 04:20, lexipiper8296
The amount of calories consumed by customers at the chinese buffet is normally distributed with mean 2743 and standard deviation 652. one randomly selected customer is observed to see how many calories x that customer consumes. round all answers to 4 decimal places where possible. a. what is the distribution of x? x ~ n(correct, correct) b. find the probability that the customer consumes less than 2355 calories. incorrect c. what proportion of the customers consume over 3026 calories? incorrect d. the piggy award will given out to the 1% of customers who consume the most calories. what is the fewest number of calories a person must consume to receive the piggy award? incorrect calories. (round to the nearest calorie)
Answers: 3
You know the right answer?
Scores on the SAT verbal test in recent years follow approximately the N(515, 109) distribution.
Questions in other subjects:
English, 15.01.2020 01:31
Social Studies, 15.01.2020 01:31
Computers and Technology, 15.01.2020 01:31
