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Question 1

3 / 3 pts

Q2. How many sample points are possible if two dice are rolled consecutively as a two step experiment? In other words, one dice is rolled first, and the second dice is rolled immediately after the first.

(Correct)

UnansweredQuestion 2

0 / 2 pts

Q4. A car wash is staffed with 10 attendants, with four attendants assigned to the first area and six attendants assigned to the second area. After a customer exits the vehicle, the vehicle is rolled to the first area where two of the four attendants manually wash, rinse, and wax the vehicle. The vehicle is then rolled to the second area where three of the six attendants perform detailing of the interior and exterior of the vehicle. How many outcomes (combinations) with the attendants are possible as the vehicle completes the washing and detailing process?

UnansweredQuestion 3

0 / 3 pts

Q5. A coloring dye dispenser dispenses dye on pieces of fabric before the fabric is used to make clothing. The dispenser has 8 different colors of dye and dispenses 5 different colors on each piece of fabric. The order in which the dye is dispensed is important as each variation of the different dyes on the fabric is considered a different pattern. For example, if the dye is dispensed in the pattern red, green, blue, orange, and yellow, this would be considered a different pattern from green, red, blue, orange, and yellow. Given this information, how many different patterns are possible from a dye dispenser?

UnansweredQuestion 4

0 / 2 pts

Q8. To play Powerball in Virginia, a participant must purchase a $1 ticket, select six numbers from the digits 1 through 49, and then select a Powerball number from the digits 1 through 40. To determine the winning numbers for each game, lottery officials draw 6 white balls out a drum of 49 white balls numbered 1 through 49 and 1 red ball out of a drum of 40 red balls numbered 1 through 40. To win the Powerball jackpot, a participant’s numbers must match the numbers on the 6 white balls in any order and must also match the number on the one (1) red Powerball. If a very rich individual decided to spend $100 million purchasing unique tickets, what is the probability, to two decimal places, that the individual has the winning ticket? (Note: treat the selection of the six numbers and the Powerball as two separate steps)

UnansweredQuestion 5

0 / 2 pts

Q9. The head of a sales department with 90 sales associates, awards a sales bonus to sales associates who either complete more than $10,000 in sales in a week or is rated outstanding by 5 customers in one week. During the past week, 18 associates completed more than $10,000 in sales and 12 associates were rated outstanding by at least 5 customers. Four (4) of the 18 associates who completed more than $10,000 in sales were also rated as outstanding by at least 5 customers. What is the probability, to two decimal places, that a randomly chosen associate will receive a bonus for the past week?

UnansweredQuestion 6

0 / 2 pts

Q12. The Chappel group owns and operates restaurants across the United States. The group has seen that feedback from customers, which is posted online, affects the traffic of customers to the restaurants. The group owns and operates restaurants in the South East, North East, and South West region. Customers are given a coupon if the customers rate the restaurants on a scale of 1 – 5 stars, with a “1” star representing very dissatisfied and a “5” star rating representing very satisfied. A manager at the group headquarters reviewed 60 ratings which were submitted by customers. The review indicated that 20 of the customers rated the restaurants from 1 to 3 stars. There were 40 customers who provided a rating on the South East region. There were 14 customers who rated the South East region from 1 to 3 stars. There were 8 customers who rated the South East region as 5 stars. If one of the 60 customer ratings is selected, what is the probability, to two decimal places, of selecting a rating of 4 or 5 stars?

UnansweredQuestion 7

0 / 2 pts

Q14. The Chappel group owns and operates restaurants across the United States. The group has seen that feedback from customers, which is posted online, affects the traffic of customers to the restaurants. The group owns and operates restaurants in the South East, North East, and South West region. Customers are given a coupon if the customers rate the restaurants on a scale of 1 – 5 stars, with a “1” star representing very dissatisfied and a “5” star rating representing very satisfied. A manager at the group headquarters reviewed 60 ratings which were submitted by customers. The review indicated that 20 of the customers rated the restaurants from 1 to 3 stars. There were 40 customers who provided a rating on the South East region. There were 14 customers who rated the South East region from 1 to 3 stars. There were 8 customers who rated the South East region as 5 stars. If one of the 60 customer ratings is selected, what is the probability, to two decimal places, of selecting a rating on the South East region or a rating of 4 or 5 stars?

UnansweredQuestion 8

0 / 2 pts

Q15. The Chappel group owns and operates restaurants across the United States. The group has seen that feedback from customers, which is posted online, affects the traffic of customers to the restaurants. The group owns and operates restaurants in the South East, North East, and South West region. Customers are given a coupon if the customers rate the restaurants on a scale of 1 – 5 stars, with a “1” star representing very dissatisfied and a “5” star rating representing very satisfied. A manager at the group headquarters reviewed 60 ratings which were submitted by customers. The review indicated that 20 of the customers rated the restaurants from 1 to 3 stars. There were 40 customers who provided a rating on the South East region. There were 14 customers who rated the South East region from 1 to 3 stars. There were 8 customers who rated the South East region as 5 stars. If one of the 60 customer ratings is selected, what is the probability, to two decimal places of selecting a rating on the North East or South West region AND the rating is 4 or 5 stars?

UnansweredQuestion 9

0 / 2 pts

Q18. A well known athletic shoe brand would like to advertise a new line of shoes and matching apparel which targets 18- to 29-year-olds via social media. A 2018 study by the Pew Research Center found that 28% of U.S. adults (18 and older) do not use social media (Pew Research Center website). Out of the total US adults (18 and older), the percentage of U.S. adults age 30 and older is 65%. Assume that the percentage of the U.S. adult population that is either age 18–29 or uses social media is 75%. What is the percentage of the US adult population age 30 and older that uses social media?