Mathematics
Mathematics, 20.04.2021 04:10, qais4002

SAT scores in one state is normally distributed with a mean of 1510 and a standard deviation of 72. Suppose we randomly pick 55 SAT scores from that state. a) Find the probability that one of the scores in the sample is less than 1532.
P
(
X
<
1532
)
=

b) Find the probability that the average of the scores for the sample of 55 scores is less than 1532.
P
(
¯¯¯
X
<
1532
)
=

Round each answer to at least 4 decimal places.

answer
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 20:30, janwesley3
Select all expressions that are equivalent to 2(3x + 7y). question 1 options: 6x + 14y 6x + 7y 1(6x + 14y)
Answers: 1
image
Mathematics, 21.06.2019 21:30, gigi6653
Damon makes 20 cups of lemonade by mixing lemon juice and water. the ratio of lemon juice to water is shown in the tape diagram. lemon juice\text{lemon juice} lemon juice water\text{water} water how much lemon juice did damon use in the lemonade? cups
Answers: 3
image
Mathematics, 22.06.2019 01:30, colebash88
Paco orders an ice cream for $1, but realizes his wallet is at home and he only has 3/20 of $1 with him. if his mom pays the remaining 7/20 of the dollar, how much will she pay? $0.05 $0.15 $0.85 $0.95
Answers: 1
image
Mathematics, 22.06.2019 02:30, lauren21bunch
The distribution of a sample of the outside diameters of pvc pipes approximates a symmetrical, bell-shaped distribution. the arithmetic mean is 14.0 inches, and the standard deviation is 0.1 inches. about 68% of the outside diameters lie between what two amounts?
Answers: 1
Do you know the correct answer?
SAT scores in one state is normally distributed with a mean of 1510 and a standard deviation of 72....

Questions in other subjects: