Scholastic aptitude test, The scores of students taking the

Scholastic aptitude test

Reference no: EM13103879

The scores of students taking the Scholastic Aptitude Test (SAT) are normally distributed with a mean u = 1035 and a standard deviation o = 131.

a) Determine the probability that a simple random sample of 15 students would earn an average score of 1000 or less.

b) Determine the probability that a simple random sample of 50 students would earn an average score of 1080 or greater.

c) Determine the probability that a simple random sample of 75 students would earn an average score between 1020 and 1060.

Reference no: EM13103879

Questions Cloud

Calculate the percentage utilization of graduate student : A study-aid desk staffed by a graduate student has been established to answer students' questions and help in working problems in your OSCM course.

How wide is the slit : Light from a laser beam with a wavelength of 600 nm passes through a narrow single slit and observed on a screen 1.5 m behind the slit. The first minimum of the diffraction pattern is 1.5 cm from the central maximum.

Probability of coin flip : A fair coin is continually flipped until heads appears for the tenth time. Let X denote the number of tails that occur. Compute the probability mass function of X.

Hypothesis tests which make up a two factor anova : The structure of a two factor study can be presented as a matrix with levels of one factor determining the rows and the levels of the second factor determining the columns. With this structure in mind, describe the mean differences that are evalua..

Scholastic aptitude test : The scores of students taking the Scholastic Aptitude Test (SAT) are normally distributed with a mean u = 1035 and a standard deviation o = 131.

North american racial ideologies and effects on societies : For the time period from 1500-1830, distinguish North American racial ideologies and their effects on society with Latin American/Caribbean racial ideologies and their effects on society.

What are magnitude and direction of net electrostatic force : A charge of -3.2 µC is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass, which has a radius of 0.099 m. The charges on the circle are -3.95 µC at the position due north and +5.45 µC at the position du..

Proportion and probability : According to hypothetical information, 18% of all Americans have hazel colored eyes. A SRS of 25,000 Americans are surveyed and asked about their eye color

Find electric field at surface of each conductor is same : Two conductors are joined by a long copper wire. Thus A) each conductor must be at the same potential. B) no free charge can be present on either conductor. C) each conductor carries the same free charge.

User Account

All Pages