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Determine the total serum cholesterol for a 50-year old person. Total sum cholesterol= Y=143.4=1.134x
An investigator wants to assess association between caffeine consumption and impaired glucose tolerance, a precursor to diabetes. A study planned to include seventy participants.
The gestation period for the human births can be taken as normally distributed with a mean of 266 days and a standard deviation of 16 days. In a gestation period of 276 days, what percentile among h
Determine the 93rd percentile of the long term government bond's price? Determine the median of the long term government bond's price?
Distinguish between the minimization and maximization LP model. How do you know which of these to use for any given problem?
A dance studio is trying to find out if opening another location is a good idea. They need 3.5% of eligible people to go in sign up for dance lessons for the new location to be profitable.
Corn growers have developed the seed having much higher germination rate than standard seed. The standard seed has germination rate of 82%. The new seed was tested and 887,000 of the 1,000,000 seeds
Based on your simulation, determine the probabilities there are no belted drivers, exactly one, exactly two, etc. Calculate the actual probability model.
A Department of Transportation report regarding air travel found that airlines misplaced about 5 bags per 1000 passengers. Suppose you are traveling with a group of people who have checked 22 pieces
To keep a balance, the number of chairs produced should be at least twice the number of tables. Also, the number of chairs cannot exceed 6times the number of tables. Formulate this as a linear progr
At a certain university, the average attendance at basketball games has been 2825. This year the attendance for the first 15 games has been 2615 with a standard deviation of 735. The athletic direct
Doctors nationally believe that 78% of a certain type of operation are successful. In a particular hospital, 62 of these operations were observed and 52 of them were successful. At = .05, is this ho
Many elementary school students in school district currently have ear infections. A random sample of children in two different schools found that 13 of 48 at one school and 20 of 40 at the other hav
A reporter bought hamburgers at randomly chosen stores of two different restaurant chains, and had number of Calories in each hamburger measured.
From the sample of ten full-time staff, selected from education department at your school, it is found that their mean salary is $50,340. Suppose the standard deviation of the population is given as
Make a sample space of possible outcomes for the following: flipping one coin and rolling octagonal die. Determine the probability of getting a compound event of heads and rolling a 7.
A retail men's clothing store owner buys from the three companies: X, Y and Z. The most recent purchases are shown here.
Create a sample space for tossing a coin four times. Determine the probability of getting a simple event of three heads and one tail.
For the normal distribution curve with mean of 6 and a standard deviation of 5, which of the following ranges of the variable will define an area under the curve corresponding to a probability of a
A salesman should choose 2 of the first component and 3 of the second to take on a sales call. How many different sets of components can the salesman take?
A certain system has two components. There're 7 different models of first component and 11 different models of second. Any first component can be paired with any second component. A salesman should
New york state has found that 30% of all consumers complaints are valid. If the state received 6000 complaints last year, about how many of them are expected to be valid? Find the standard deviation
In a population of normally distributed aptitude scores of 1000 academy students with mean 70 and Standard deviation 10, how many score below 95?
In a certain population, 0.1% of people are infected by HIV virus. A test is proposed to determine the virus carriers. For an infected person, the test gives positive result in 99% of cases; for an
Calculate the probability that the avalanche will take place between detonations of charges 10 to 15 inclusive.