The number of students taking the Scholastic Aptitude Test (SAT) has risen to an all-time high of more than 1.5 million (College Board, August 26, 2008). Students are allowed to repeat the test in hopes of improving the score that is sent to college and university admission offices. The number of times the SAT was taken and the number of students are as follows. Number of Times Number of Students 1 721,769 2 601,325 3 166,736 4 22,299 5 6,730 Let x be a random variable indicating the number of times a student takes the Show the probability distribution for this random variable.

The number of students taking the Scholastic Aptitude Test (SAT) has risen to an all-time high of more than 1.5 million (College Board, August 26, 2008). Students are allowed to repeat the test in hopes of improving the score that is sent to college and university admission offices. The number of times the SAT was taken and the number of students are as follows. Number of Times Number of Students 1 721,769 2 601,325 3 166,736 4 22,299 5 6,730 Let x be a random variable indicating the number of times a student takes the Show the probability distribution for this random variable.

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Similar questions

how does ford or any other company (example of a company) use and inplement the x bar chart and the r bar chat and why?
Which integers can be represented as the sum of three consecutive integers? Provide evidence to justify your response.
Mary is participating in a 6-day cross-country biking challenge. She biked for 60, 51, 62, 63, and 54 miles on the first five days. How many miles does she need to bike on the last day so that her average (mean) is 59 miles per day? Imiles
Find the point estimate for the population proportion. A Southern student wants to know the proportion of American adults who speak two or more languages. She randomly surveys 888 Americans and found that 355 spoke 2 or more languages. Estimate the proportion of all Americans who speak 2 or more languages.
There are 1,050 seniors in the class. 483 seniors want to go to a basketball game What percentage of seniors do NOT want to go to a basketball game?
A recent survey reports that 22% of students take the bus to campus. If 660 students commute to campusby bus, how many students participated in the study?
In a sample of 169 students, 16 said they have donated blood. What percent of the students have donated blood?
Given the set of scores below, find the following: highest and lowest scores range size of the class interval (use 10 steps) SCORES: 10, 9, 20, 7, 18, 40, 25, 18, 20, 23 4, 1, 49, 25, 33, 23, 19, 23, 47, 33 48, 44, 25, 37, 13, 34, 30, 20, 10, 27. PLEASE ANSWER THE NUMBER 3 (size of the class interval (use 10 steps)) . thanks
B. The average exam score for 10 students in a statistics class was 85. One student dropped the class, changing the average exam score of the remaining students to 90. What was the exam score of the student who dropped the class?
A survey was conducted in a section on which subject they like best. 55 likes Math, 50 likes English, 51 likes Science, 32 likes Mathematics and English, 28 likes Mathematics and Science, 25 likes English and Science and 10 likes Mathematics, English and Science. How many were there in the section?
Martha is in a statistics course in which each exam has a total of 100 points possible. Martha currently has an average score of 88 on her statistics exams. If she earns a score of 95 on her final exam, Martha's average
The mean of 14 numbers in a data set is 43. A new number is included in the data set. It changes the mean to 44. What is the new number? Record the result below accurate to two decimal places.