
All of the 1.020 students at a local high school must enroll in a foreign language...
a6 Foreign-language study. Choose a student in a U.S. 12. public high school 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 others None 12 Probability 0.30 0.08 0.02 0.03 (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...
A school with 70 students offers three language courses: French, Spanish, and German. 29 students in total take French, 23 students in total take Spanish, and 22 students in total take German. In addition 9 students in total are taking both French and Spanish, 7 students in total are taking both French and German, and 8 students in total are taking both Spanish and German. Finally, 2 students are taking all three courses. (a) If a student is chosen randomly,...
1. An elementary school is offering 3 language classes: one in Spanish, one in French, and one in German. These classes are open to any of the 104 students in the school. There are 43 in the Spanish class, 34 in the French class, and 24 in the German class. There are 17 students that in both Spanish and French, 6 are in both Spanish and German, and 9 are in both French and German. In addition, there are 4...
1. An elementary school is offering 3 language classes: one in Spanish, one in French, and one in German. These classes are open to any of the 104 students in the school. There are 43 in the Spanish class, 34 in the French class, and 24 in the German class. There are 17 students that in both Spanish and French, 6 are in both Spanish and German, and 9 are in both French and German. In addition, there are 4...
2. A school offers three language classes: Spanish (S), French (F), and German (G). There are 100 students total, of which 28 take S, 26 take F, 16 take G, 12 take both S and F, 4 take both S and G, 6 take both F and G, and 2 take all three languages. (1) Compute the probability that a randomly selected student (a) is not taking any of the three language classes; (b)takes exactly one of the three language...
You are reading a study which asked 60 students enrolled in the local high school to self report drug use, sexual activity and college education plans. You know this is an example of what type of sampling methodology? cluster sampling quota sampling convenience sampling systematic sampling
A high school principle currently encourages students to enroll in a specific SAT prep program that has a reputation of improving score by 50 points on average. A new SAT prep program has been released and claims to be better than their current program. The principle is thinking of advertising this new program to students if there is enough evidence at the 5% level that their claim is true. The principle tests the following hypotheses: Ho = 50 points HA...
I. At a certain school, 60% of the students wear neither a ring nor a necklace, 20% wear a ring, 30% wear a necklace. Compute the probability that a randomly selected student wears (a) a ring or a necklace; (b) a ring and a necklace 2. A school offers three language classes: Spanish (S), French (F), and German (G). There are 100 students total, of which 28 take S. 26 take F, 16 take G, 12 take both S and...
The combined SAT scores for the students at a local high school are normally distributed with a mean of 1453 and a standard deviation of 297. The local college includes a minimum score of 651 in its admission requirements. What percentage of students from this school earn scores that fail to satisfy the admission requirement? P(X < 651) = % Enter your answer as a percent accurate to 1 decimal place (do not enter the "%" sign). Answers obtained using...
The combined SAT scores for the students at a local high school are normally distributed with a mean of 1546 and a standard deviation of 296. The local college includes a minimum score of 954 in its admission requirements. What percentage of students from this school earn scores that satisfy the admission requirement? P(X > 954) = % Enter your answer as a percent accurate to 1 decimal place (do not enter the "%" sign). Please provide a step-by-step so I...