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Find mean and standard deviation of statistic p hat, sample proportion who are boys? Use Normal approximation to determine probability that p hat would be less than 0.5.
Express null HYPOTHESIS and alternative Hypothesis. Give standard score for data. Determine P-Value for the significance test. Summarize conclusion in context of problem.
The steers consume 2.6% of BW in DM daily. If the diet is 80.0% DM, how many pounds of feed must be placed in pen feed bunk every morning?
If barley is contributing 8.0% CP, 0.2% Calcium, 2.0% CF, and 850 Kcal/lb to diet, determine percent of animal's dietary requirements for every nutrient are being met by barley?
How many of the sequences has exactly five queens? How many of the sequences has exactly three queens and three jacks?
Let random variable X be number of justices appointed in the year. Assume that X has the binomial distribution with n=4. Determine p (probability) to four decimals using mu.
Compute probability that at least 18 passengers amongst the sample of 150 transatlantic passengers will experience some airsickness first by using Binomial Distribution model.
According to normal model, what proportion of existing pillars has heights greater than 350 nm? Explain the answer.
Compute the recurrence relation for number of ways to go n miles by fast walking at two miles per hour or jogging at four miles per hour or running at eight miles per hour.
The sample of 115 individuals in executive, administrative, and managerial occupation will be chosen. Find probability that sample mean will be greater than $27?
Determine probability that randomly selected student score more than 80 points? If top 2.5% of test scores recurveerit awards, find lowest eligible for the award?
In the walkathon to raise money for the charity Elisa walked the definite distance at 5 mi/h and then jogged twice that distance at 8 mi/h. The total time walking and jogging was 2h and 15 min. How
The elevator in Washington Monument takes 75 seconds to travel 500 feet to top floor. Determine speed of elevator in miles per hour?
On Monday, he drives at the average rate of 60 mph/km and is 1 minute early to work. If he left home at similar time every day, determine distance Mr. Newton travels one way to work?
Determine whether given systems of equations Ax=b have the solution, the unique solution, or no solution. Determine unique solution (if applicable).
1 hour later, the faster train leaves station m and also travels west on the parallel track at 40 km/hr. How far from station m will faster train catch slower one?
The highway patrolman spots the speeding car. He clocks it at 70 mph and takes after it .05 mile behind. If patrolman travels at the average rate of 90 mph, how long before he over takes car?
Assume that resistance between walls of the biological cell is 3.00 109? Determine current when potential difference between walls is given 55 mV?
The metra commuter train leaves union station in chicago at 12 noon. At 3pm, amtrack train is ten miles behind commuter train. how fast is each going?
Find optimal production quantities, and find revised total contribution to profit? How much overtime do you suggest using in every department? Find increase in total contribution to profit if overti
From survey, Vermont had 65.3% who said yes and Hawaii had 62.2% who said yes. Find value of sample proportion of people from Hawaii who exercised for at least thirty minutes a day 3 days a week?
14 of corporations said they do give retirement benefits to the employees, and six said they do not. 5 corporations are randomly selected from these 20. Determine probability that exactly two of th
You work for IRS and 256 tax returns now arrived which require to be processed in next few days. Find probability that between 60 and 65 of returns have deductions which have been adjusted?
Assume that resistance between walls of the biological cell is 3.00 109? Find current when potential difference between walls is 55 mV?
How many hours must be assigned to every activity to maximize number of calories burned? Determine maximum number of calories he will burn?