• Question 6In a survey of 263 university students, it was found that 122 of them had taken a foreign language course,115 of them had taken a science course, and 117 had taken an English course. 24 had taken a foreignlanguage course and an English course, 42 had taken a science course and an English course, and 72 hadtaken a foreign language course and a science course. 14 took all three courses. You should show your workfor this problem.1. How many students did not take any of the three courses?2. How many students took a foreign language course and a science course, but not an English course?3. How many students took a foreign language course or a science course?> Next Question

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Answered: In a survey of 263 university students,…

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...

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need parts C and D
In a certain class of 25 students, 12% received A’s, 30% received B’s, 42% received C’s, and 12% received D’s. How many students failed the class?
Maya has two ways to travel from her home in Norco to her office in Los Angeles. One is to go via the 10 Freeway, and the other is to go via 60 Freeway. In order to determine which way she should travel on a daily basis, Maya has recorded the travel times for samples of eleven trips via the 10 Freeway and eleven trips via the 60 Freeway. The following table gives the travel times (in minutes) for the twenty-two trips. Travel times in minutes 10 Freeway 74, 72, 75, 75, 74, 72, 67, 67, 75, 69, 71 60 Freeway 70, 80, 69, 71, 69, 77, 68, 79, 74, 79, 77 Send data to calculator Send data to Excel Assume that the two populations of travel times are normally distributed and that the population variances are equal. Can we conclude, at the 0.05 level of significance, that u,, the mean travel time via the 10 freeway, is different from µ,, the mean travel time via the 60 freeway? Perform a two-tailed test. Then complete the parts below. Carry your intermediate computations to three or more decimal…
.42 A skiing event has 13 participants for the slalom. The 5 participants with the fastest speeds will be listed, in the order of their speed, on the leader board. How many different ways are there for the names to be listed? There are ways for the names to be listed. Enter your answer in the answer box and then click Check Answer. All parts showing
Answer the following questions in the picture below. Only the correct letter.
1. Read and analyze the following problems. Write your solution on a sheet of paper. The coach of the winning basketball team chooses 3 of the 15 members to be interviewed by a sports reporter. In how many ways can the members to be interviewed be chosen? A poker hand consists of 5 cards chosen at random from a standard deck of cards. How many poker hands containing all face cards are possible? 2. 3. Suppose 7 female and 6 male applicants have been successfully screened for 5 positions. In how many ways can the following compositions be selected? a. 5 people regardless of gender b. 3 females and 2 males C. at least 3 females d. 4 females and 1 male e. 5 females 4. In a game of poker, a full house is a combination of 5 cards chosen from a standard deck of cards with three of a kind and two of a kind. How many full houses are possible?
Can someone please help me (ITS ALL ONE QUESTION!!)
You are coaching a high school basketball team and you realize the importance of free throw shooting, the skill to make foul shots. The question is: how much practice time should be spent in shooting free throws. Thus, you divide your team of 21 players into three groups and practice according to the following schedule that produces thee results after one month. The results are the number of free throws made in 50 attempts. 10 minutes per practice session 15 minutes 20 minutes 25 26 34 30 32 33 31 30 32 33 32…
12. (18 pts) In a survey of 203 professional athletes, it was found that 98 of them owned a convertible, 86 of them owned a giant screen TV, and 98 owned a sporting goods store. 25 owned a convertible and a store, 36 owned a TV and a store, and 51 owned a convertible and a TV. 15 owned all three items. a. How many athletes did not own any of the three items? b. How many owned à convertible and a TV, but not a store? 36 c. How many athletes owned a convertible or a TV? d. How many athletes owned exactly one type of item in the survey? e. How many athletes owned at least one type of item in the survey? f. How many owned a TV or a store, but not a convertible?
. Suppose you are working on a ten-digit keypad to open a door. You know the combination is exactly three digits long.1. How many choices are there if you may use a number multiple times and the order matters?2. How many choices are there if you may not use a number multiple times and the order matters?3. How many choices are there if you may not use a number multiple times and the order doesnot matter?4. How many choices are there if you may use a number multiple times and the order does notmatter?
Represent the problem with Venn diagram and answer the question based on the diagram. Show the solution. A television poll of 151 persons found that; 68 watched Law and Order; 61 watched The West Wing, 52 watched the Sopranos, 16 watched both Law and Order and The West Wing; 25 watched both Law and Oder and the Sopranos; 19 watched both The West Wing and The Sopranos; 26 watched none of these shows. Question: How many persons watched all these shows?

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