Solve the problem.Between 8:30 a.m. and 9:30 a.m., cars drive through the Cappuccino Express at a rate of 12 cars per hour (0.2 per minute). The following formula from probability can be used to determine the probability that a car will arrive within t minutes of 8:30a.m. F(t) = 1 - e-0.2tDetermine how many minutes are needed for the probability to reach 0.6.

Fill in the blank(s) with the appropriate word(s).


about 4.6 minutes

Mathematics

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Simplify the expression.7x + 7 - 3x + 4

A. 15x B. 10x + 11 C. 4x + 3 D. 4x + 11

Mathematics

Multiply and simplify. ? 270

A.
B. 30
C.
D. 3

Mathematics

Solve the problem.The number of visitors to a tourist attraction (for the first few years after its opening) can be approximated by  where x represents the number of months after the opening of the attraction. Find the number of visitors 8 months after the opening of the attraction.

A. 53 visitors B. 80 visitors C. 130 visitors D. 58 visitors

Mathematics

The sampling method described suffers from a form of bias. Identify the bias, tell how the sample statistic might differ significantly from the population parameter, and suggest how the problem might be corrected.A radio talk show host asks people to call in to voice their opinions on proposed new environmental regulations which will be unfriendly to business and lead to a loss of jobs. He finds that there is very little support for the new regulations.

What will be an ideal response?

Mathematics