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Determine the probabilities that among 15 persons given medication: at most 2 will get very drowsy within 2 minutes. At least 5 will get very drowsy within 2 minutes.
Plot GNP growth rates. The reduction in volatility, starting in 1980s, is referred to as great moderation in economic literature.
At constant distance r, determine the rate at which S changes with respect to t for C = 1.71 105, R = 1.4 10-2, and dR/dt = 1.0 10-5.
Determine mean and standard deviation for numbers of girls that would occur in groups of 150 births. Is result of 100 girls unusual?
The average cost per minute for 500 minutes of monthly use. What variables are you recording for individual? Which are numerical variables.
Determine the equation for exponential function (in terms of m and k). Determine decade growth rate of this function?
By mistake he tells one helper to drill holes for bolts every 6 inches and tells another to drill holes for bolts every 8 inches. how far along board will holes for the first time?
There are 30 tickets with some prize and only three of them with grand prize. Alex bought 10 tickets. Determine probability that he won at least one grand prize if he won 5 prizes.
We are going to find average number of acres on farm to within 30 acres with 95% confidence. If population standard deviation is 1000.
Find out the probability distribution for number of Hondas in sample of three cars chosen from the top nine.
Frequent checks of unfilled orders follow Poisson distribution with mean of two orders. Has New Process, Inc. lived up to its internal goal? Write evidence.
How many disasters would you expect in first 25 flights? Use normal approximation to find probability of at least one disaster in 25 missions.
Research on new juvenile delinquents revealed that 38% of them committed another crime. Find probability that 40 or fewer of delinquents will commit another crime?
The manufacturer would like to set inventory levels such that there is only 5% chance of running out of stock. Where must the manufacturer set inventory levels?
Determine the area between mean and 395 pounds? Find the probability of selecting value at random and discovering that it has value of less than 395 pounds?
Adult American have normally distributed heights with mean of 5.8 feet and standard deviation of 0.2 feet. Find probability that randomly chosen adult American male will have height between 5.6 and
Assume that each jelly bean has equal chance of being picked from jar. If jelly bean is selected at random from jar, find the probability that it is NOT orange?
Company compiled information about gender and working status of its 420 employees. Find probability that randomly selected employee is female full time employee.
If 6-person volleyball team is selected at random from 12 club members, find the probability the team consists of 2 men and 4 women? Show work.
Which of the given linear equations could be used to predict enrollment y in a given year x, where x=0 represents year 2007? Describe /show work.
What would you learn from solutions of following inequalities? i. -2,500+5,000x-750x^2>0 ii. P(x)<0 iii. -2,500+5,000x-750x2> 4,000 iv. P(x)<2,500.
Enterprise charges $20 a day plus $0.55 per mile. Wirte and solve the equation to find number of miles which result in same cost for one day
If 0.02 m^3 of sand enters container every minute, how fast is top of sand pile rising? How fast is sand risig along the side of the cylinder?
Suppose that sample is from normally distributed population. What evidence do you have that assumption of normality is reasonable? Describe.
Assume two independent samples of equal size are selected from two populations and both having standard deviation σ = 10.