Question: 9.29 Foreign-language study. Choose a student in grades 9 to 12 at random and ask if he or she is studying a language other than

9.29 Foreign-language study. Choose a student in grades 9 to 12 at random and ask if he or she is studying a language other than English. Here is the distribution of results:

Language Probability Spanish French 0.26 0.09 German All others None 0.03 0.03 0.59

(a) Explain why this is a legitimate probability model.

(b) What is the probability that a randomly chosen student is studying a language other than English?

(c) What is the probability that a tandomly chosen student is studying French, German, or Spanish?

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Essential Statistics Questions!

#61,62,65,68,72 Section 5.3 Exercises 377 65. Foreign-language study Choose a student in grades 9 to 12 at random and ask if he or she is studying a language other than English. Here is the...

Foreign-language study Choose a student in grades 9 to 12 at random and ask if he or she is studying a language other than English. Here is the distribution of results: Language: Spanish French...

Foreign-language study. Choose a student in grades 9 to 12 at random and ask if he or she is studying a language other than English. Here is the distribution of results: Language Spanish French...

11.30 Foreign-language study. Choose a student in grades 9 to 12 at tandom and ask if he or she is studying a language othet than English. Here is the distribution of results: Language Spanish French...

Language study. Choose a student in grades 9 to 12 at random and ask if he or she is studying a language other than English. Here is the distribution of results: Language: Spanish French German All...

Webwork Week 8 Event Attend a 4-year college Attend a junior college Attend a technical school Train as an apprentice No formal training after high school Probability 0.2 0.2 0.1 0.1 0.4 At a certain...

Problem 1. (1 point) One die is rolled. List the outcomes comprising the following events: (make sure you use the correct notation with the set braces , put a comma between each outcome, and do not...

Choose a student in grades 9 to 12 at random and ask if he or she is studying a language other than English. Here is the distribution of results: a. Whats the probability that the student is studying...

10.37 Drawing cards. You are about to draw a card at ran- dom (that is, all choices have the same probability) from a set of 7 cards. Although you can't see the cards, here they are: (a) What is the...

MXP Co has set a minimum cash account balance of $75,000. The average cost to the company of making deposits or selling securities is $50 per transaction and the standard deviation of its cash flows...

Norfolk, Virginia, a major seaport on the East Coast, has a ship coal-loading facility. Currently, coal trucks filled with coal arrive at the port facility at the mean rate of 149 per day (Poisson...

Which of these is an example of adverse selection? A 3 5 - year old female with a poor credit history must pay a higher interest rate on a loan than a 3 5 - year old female with an excellent credit...

What do you think is your strongest component of cultural intelligence? Your weakest? How would you go about shoring up your weaknesses?