(a) How many classes are there? There are classes. (b) What is the class width? The class width is X X Part 2 of 2 Do not round. (c) What percentage of students play video games for less than 19 hr per week? % of the students play video games for less than 19 hr per week. (d) What percentage of students play video games for 16 or more hours per week? % of the students play video games for 16 or more hours per week. X S

Q: Given P(A) = 0.34, P(A and B) = 0.20, P(A or B) = 0.55, what is P(B)?

A: We have given that,  P(A) = 0.34, P(A and B) = 0.20, P(A or B) = 0.55, then, We will find the value…

Q: If P(B) = 1/4 and P(A|B) = 1/2, what is P(A^ B)?

A: P(B¯) = 1/4P(A|B) = 1/2We have to determine P(A∩B).

Q: P(A)=0.45, P(B)=0.58, and P(B|A)= 0.05. What is P(A and B)?

A: Given that  P(A)=0.45, P(B)=0.58, and P(B|A)= 0.05

Q: Salary Raise: Women Does it pay to ask for a raise? A national survey of heads of households showed…

A:

Q: Given P(A and B) = 0.37, P(B) = 0.57, P(B|A) = 0.91, what is P(A)?

A: We have to find given probability.

Q: The AM and GM for two observations are 5 and 4 respectively. Find the two observations.

A:

Q: Given P(A and B) = 0.02, P(B) = 0.88, P(B|A) = 0.68, what is P(A)?

A: P(A and B) = 0.02  P(B) = 0.88  P(B|A) = 0.68  P(A)=?

Q: Challenge: George scored 80% on Part A of his English diploma and 92% on part B. His total raw score…

A: George scored 80% on Part A of his English diploma and 92% on part B. His total raw score was 63 out…

Q: What percent of students are male that take a statistics course? (b) What percent of students are…

A:

Q: What is the value of p(x > -6)

A: Let X be the discrete random variable. The probability distribution of X is…

Q: Given P(A) = 0.06, P(B) = 0.69, P(B|A) = 0.77, what is P(A and B)?

A:

Q: BKA CD player costs the store $270. If the store must make a 23% profit, what must be the selling…

A:

Q: According to a​ survey, 28​% of residents of a country 25 years old or older had earned at least a​…

A: We have,

Q: Given P(A and B) = 0.23, P(A) = 0.84, what is P(B|A)?

A:

Q: Given P(A) = 0.78, P(B) = 0.87, and P(B|A) = 0.44, what is P(A and B)?

A: Given :  P(A) = 0.78 P(B) = 0.87 P(B|A) = 0.44

Q: (c) What percentage of students play video games for less than 64 hr per week? of the students play…

A: The following frequency distribution table is provided. Number of hours  Frequency (f) 1.0-7.9…

Q: Ammar will give $350 in birthday gifts next year. He will give a combination of $50 and $15 gifts.…

A:

Q: You are given that P(A)= 0.35, P(B)=.0.25, P(A or B)=0.45. a) Find P(A|B) b) Find P(B|A)

A:

Q: If P(A) = 0.5 and P(B) = 0.80, then P(A or B) must be 0.95.   TRUE or FALSE

A: From the provided information, P (A) = 0.5 and P (B) = 0.80

Q: Given P(A) = 0.94, P(B) = 0.98, P(B|A) = 0.52, what is P(A and B)?

A:

Q: 22 percent of students are male. 34 percent of students take a Statistics course. 51 percent of male…

A: Introduction: Denote M as the event that a student is male, and S be the event that a student takes…

Q: Given P(A and B) = 0.25, P(B) = 0.85, P(B|A) = 0.93, what is P(A)?

A:

Q: Given P(A and B) = 0.10, P(A) = 0.68, what is P(B|A)

A: Given that, P(A and B) = 0.10 P(A) = 0.68

Q: Given P(A and B) = 0.07, P(B) = 0.56, P(B|A) = 0.62, what is P(A)?

A: We will use the conditional probability formula

Q: Ben had some red, blue and yellow cards. He had 156 more blue cards than red cards and 2/3 as many…

A: Let the number of blue, red and yellow cards Ben had at first be b, r and y.Number of blue cards, b…

Q: In Music, Linda scored 70%, and her score was at the 85th percentile.  In Art, Linda scored 95%,…

A: It is given that the stated person's scores (in percentage) in Music and Art are 70% and 95%…

Q: 31 percent of students are male. 35 percent of students take a Statistics course. 47 percent of male…

A: It is given that 31 percent of students are male, 35 percent of students take a statistics course,…

Q: Given P(AandB) = 0.08 P(A) = 0.52 , what is P(B|A)

A: Given,

Q: Given P(A) = 0.86, P(B) = 0.77, P(B|A) = 0.37, what is P(A and B)?

A: Let A and B are two events. The known probabilities are, Using the conditional probability formula,…

Q: Given P(A) = 0.16, P(B) = 0.88, P(B|A) = 0.25, what is P(A and B)?

A: Given , P(A) = 0.16, P(B) = 0.88, P(B|A) = 0.25