Provide an appropriate response.The number of loaves of whole wheat bread left on the shelf of a local quick stop at closing (denoted by the random variable X) varies from day to day. Past records show that the probability distribution of X is as shown in the following table. Find the probability that there will be at least three loaves left over at the end of any given day. 

A. 0.20
B. 0.65
C. 0.35
D. 0.15


Answer: C

Mathematics

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Provide an appropriate response.True or false? The equation (7x - 9)2 = -25 has two real solutions. If false, give the correct number of real solutions.

A. True B. False; zero C. False; one D. False; three

Mathematics

Solve the problem.As part of her retirement savings plan, Patricia deposited $300 in a bank account during her first year in the workforce. During each subsequent year, she deposited $50 more than the previous year. Find how much she deposited during her twentieth year in the workforce. Find the total amount deposited in the twenty years.

A. $1300; $32,000 B. $1250; $31,000 C. $1250; $15,500 D. $1300; $16,000

Mathematics

Solve the problem.The Acme Class Ring Company designs and sells two types of rings: the VIP and the SST. They can produce up to 24 rings each day using up to 60 total man-hours of labor. It takes 3 man-hours to make one VIP ring and 2 man-hours to make one SST ring. How many of each type of ring should be made daily to maximize the company's profit, if the profit on a VIP ring is $40 and on an SST ring is $35?

A. 12 VIP and 12 SST B. 16 VIP and 8 SST C. 14 VIP and 10 SST D. 18 VIP and 6 SST

Mathematics

Solve the problem.A particular substance decays in such a way that it loses half its weight each day. How much of the substance is left after 9 days if it starts out at 128 grams?

A.  g
B. 4 g
C. 2 g
D.  g

Mathematics