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The owner of a grocery store finds that she sell 980 gallons of milk each week at $2.69 per gallon and 1220 gallons of milk each week at $2.49 per gallon.
a) Find a linear function G(p) that gives the number of gallons sold as a function of the price of the milk.
b) How many gallons would she then expect to sell at $2.99 per gallon?
c) According to your function; if the owner sold 800 gallons of milk, what was the price per gallon?
The airline must sell 150 seats to break even on this particular flight. On what percent of the flights does the airline make money?
At least half the patients are under 15 years old? First, explain how this can be modeled as a binomial distribution with 8 trials, where success is visitor age is under 15 years old and the probability of success is 20%.
The heights of children 2 years old are normally distributed with a mean of 32 inches and a standard deviation of 1.5 inches. Pediatricians regularly measure the heights of toddlers to determine whether there is a problem.
Find the expected GPA when SAT = 800. Find E (GPA|SAT = 1,400). Comment on the difference.
Estimating the combined mean values for the given data - find the mean for the combined sample
Develop percent frequency distribution and construct bar chart and pie chart.
Survey on What do you think is the biggest problem facing education today. One problem with exit polls may be that the wrong "key precincts" were chosen.
In a group of seven adult friends, what is the probability that: a) no one has done a one-time fling?
Using the 0.10 level of significance, is there evidence that the mean shopping time at the local supermarket is greater than the claimed value of 22 minutes?
Use a 95% confidence interval for multiple comparisons. Show your calculation by hand between Monday and Tuesday. Match your answer with Minitab output. Attach Minitab output.
iven an infinite population with a mean of 75 and a standard deviation of 12, the probability that the mean of a sample of 36 observations taken at random from this population exceeds 78 is?
A normal distribution has a mean of 80 and a standard deviation of 14. Determine the value above which 80 percent of the values will occur.
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