Use the Consumer Price Index below to answer the question.
In 1995, the price of gasoline was 120.5 cents per gallon. In 2000 it was 155.0 cents per gallon. Find the relative change in the price of gasoline over that period and compare it to the overall rate of inflation as measured by the CPI. In real terms, was gasoline more expensive in 1995 or 2000? If necessary, round values to the nearest tenth.
What will be an ideal response?
Relative change in cost between 1995 and 2000 = 28.6%
Overall rate of inflation between 1995 and 2000 = 13.0%
In real terms, gasoline was more expensive in 2000.
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Multiply.
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A hypothesis test is to be performed. Describe the two possible outcomes of the test using the context of the given situation.An environmental group believes that the health of the residents of Castletown is adversely affected by the oil refinery in their town. It believes that in Castletown, the proportion of children who suffer from asthma is higher than the nationwide proportion of 9.1%.The hypotheses are as follows:Null hypothesis: proportion of Castletown children with asthma = 9.1% Alternative hypothesis: proportion of Castletown children with asthma > 9.1%
A. Rejecting the null hypothesis means there is insufficient evidence that the proportion of Castletown children with asthma is equal to 9.1% Failing to reject the null hypothesis means there is insufficient evidence to conclude that the proportion of Castletown children with asthma is greater than 9.1% B. Rejecting the null hypothesis means there is evidence that the proportion of Castletown children with asthma is greater than 9.1% Accepting the null hypothesis means there is evidence to conclude that the proportion of Castletown children with asthma is equal to 9.1% C. Rejecting the null hypothesis means there is evidence that the proportion of Castletown children with asthma is not equal to 9.1% Accepting the null hypothesis means there is evidence to conclude that the proportion of Castletown children with asthma is equal to 9.1% D. Rejecting the null hypothesis means there is evidence that the proportion of Castletown children with asthma is greater than 9.1% Failing to reject the null hypothesis means there is insufficient evidence to conclude that the proportion of Castletown children with asthma is greater than 9.1%
Provide an appropriate response.The volume of a company's sales y (in thousands of dollars) is related to its advertising expenditures x (in thousands of dollars) by the equation xy - 11x + 25y = 0. Find 
.
What will be an ideal response?
Solve the problem.The number of people present at a stadium holding a big rock concert can be estimated with the following function: 
where y is the number of people present and x is the amount of time after 
on the day of the concert. Predict the number of people present at 
A. 36,561 people B. 36,562 people C. 54,959 people D. 38,800 people