In a recent year, the better business bureau settled 75% of complaints they received. (source: usa today, march 2, 2009) you have been hired by the bureau to investigate complaints this year involving computer stores. you plan to select a random sample of complaints to estimate the proportion of complaints the bureau is able to settle. assume the population proportion of complaints settled for the computer stores is the 0.75, as mentioned above. suppose your sample size is 117. what is the probability that the sample proportion will be at least 3 percent more than the population proportion?

john earns $14.00 for two hours of work.

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b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

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step-by-step explanation:

answer: yes, since the line has a steeper rate of change than the exponential the y-values will be greater and they will only intersect one time.

35%

step-by-step explanation: