Mathematics, 07.07.2019 01:10 jameslinimk
Doing research for insurance rates, it is found that those aged 30 to 49 drive an average of 38.7 miles per day with a standard deviation of 6.7 miles. these distances are normally distributed. if a group of 60 drivers in that age group are randomly selected, what is the probability that the mean distance traveled each day is between 32.5 miles and 40.5 miles?
Answers: 2
Mathematics, 21.06.2019 17:50
Eric has challenged himself to walk 24,000 steps in 4 days. if eric walks the same number of steps each day, which function represents the number of steps eric still needs to walk to reach his goal with respect to the number of days since he started his challenge? a. y = 8,000x โ 24,000 b. y = -8,000x + 24,000 c. y = 6,000x โ 24,000 d. y = -6,000x + 24,000
Answers: 1
Mathematics, 21.06.2019 21:00
The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm
Answers: 1
Mathematics, 21.06.2019 22:30
Maria found the least common multiple of 6 and 15. her work is shown below. multiples of 6: 6, 12, 18, 24, 30, 36, 42, 48, 54, 60, . . multiples of 15: 15, 30, 45, 60, . . the least common multiple is 60. what is maria's error?
Answers: 1
Mathematics, 22.06.2019 00:00
Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each modelโs height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?
Answers: 2
Doing research for insurance rates, it is found that those aged 30 to 49 drive an average of 38.7 mi...
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