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The port of South Louisiana, located 54 miles along the Mississippi River between New Orleans and Baton Rouge, is the largest bulk cargo port in the world. The U.S. Army Corps of Engineers reports t
1) Assuming that percent body fat of female graduate physical therapy students is normally distributed with standard deviation 4.10 percent body fat, determine a 95% confidence interval for the mean
E-Loan, an online lending service, recently offered 36 month auto loans at 3.6% to applicants with good credit ratings. If you have a good credit rating and can afford monthly payments of $350, how
An investment company pays 5% compounded semiannually. You want to have $10,000 in the future. (A) How much should you deposit now to have that amount 5 years from now? What about 10 years?
A survey asked business travelers if they worked harder on a business trip. Fifty percent of the respondents were younger than 45 years and 50% where 45 years or older. Sixty-four percent of the you
Given that the primary source of heat is natural gas, determine the probability that a randomly selected home from this sample is located in Houston.
Using the December follow-up data (listed below), is there a significant difference between School A children and School B children on their behavior checklist scores?
You are a researcher asked to study a new school-based intervention for children identified with attention related classroom difficulties.
Please answer the question in full providing any relevant equations or diagrams used to come to a final answer.
In the board game Settlers of Catan, you use a pair of standard 6 sided dice. On each turn the player starts by rolling the dice. If the roll is a 7, the robber moves.
Learning is a lifetime activity. For some, it means learning from everyday experiences; for others, it means taking classes in a more traditional atmosphere. The percentage of people participating i
a.) What is the probability of having 2 demands in a day? b.) What is the probability that at least 1 part is obtained from central stores? c.)) What is the probability that all three parts stocked
Use your calculator or other software to conduct a test of the hypothesis that mu=6 vs mu<6 for the following data. Give the p-value. 3 4 10 5 5 10 6 1 3 4
Use your calculator or other software to conduct a test of the hypothesis that mu=6 vs mu<6 for the following data. Give the p-value.
In the following data set, what percent of observations fall within one standard deviation of the mean?
The price of oranges each week in the Wal-Mart is normally distributed with a mean (µ) of 37.8 cents per pound and a standard deviation (?) is 3 cents. 1-What is the probability that oranges w
Calculate the price of a 5.2 percent coupon bond with 15 years left to maturity and a market interest rate of 9.0 percent. (Assume interest payments are semiannual.) (Do not round intermediate calcu
In a recent study, researchers followed 104,000 U.S. veterans who had served in the armed forces and a comparison group of 216,000 nonveterans. Over a period of 12 years, they found that 197 veteran
Which one (Ben or Frank) would you expect to have the greater standard deviation of temperatures, or would you expect the standard deviations to be very similar? Explain briefly.
The Statistical Abstract of the United States (2012, Table 16) indicates that there are 15,753,000 Californians between the ages of 25 and 55. Estimate with 95% confidence the number of Californians
A cement manufacturer claims that concrete prepared from his product has a relatively stable compressive strength and that the strength measured in kilograms per square centimeter (kg/cm2) has a var
What is the probability that the proportion of the offspring resulting from crossing will have red flowers is more than 60%? Construct a 99% confidence interval for the proportion of the red flowers o
If 35 healthy people are selected at random, construct a 99% confidence interval for the average temperature for these people. Would you consider an average temperature of 98.25 degrees to be an unli
Construct 90% confidence interval for the variance. Do these data present sufficient evidence to reject the manufacturer's claim?