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Suppose that IQ scores in one region are normally distributed with a standard deviation of 16.
What qualitative factors should analysts look for when evaluating a company's likely future financial performance? Explain.
A person must score in the upper 2% of the population on an IQ test to qualify for membership in Mensa, the international high-IQ society.
The lifetime of a certain brand of batteries are known to be normally distributed with a mean of 1600 hours and a standard deviation of 400 hours
A random sample of size 25 is taken from a normal population having a mean of 80 and a standard deviation of 5.
If a school accepts the top 10% what is the minimum ACT score and the minimum SAT score.
A study is being conducted to see if swearing can help reduce pain. Each participant is asking to plunge their hand in ice as long as the pain would allow.
The amount of money that a family of four will spend at Kings Island, including the food and souvenirs, is $130 with a standard deviation of $12
A population of N=15 scores has a mean of M=8. One score in the population is changed from x=20 to x=5.
A normal distribution has a u= 80 and o= 10. what is the probability of randomly selecting a score greater than 90 from this distribution?
If a drive to work each morning is µ = 38 mins with a s = 5 mins, on a randomly selected morning what is the probability that the drive.
A tire manufacturer believes that the tread life of its snow tires can be described as a normal distribution with a mean of 32,000 miles
Assume that the number of calories in a McDonald's Egg McMuffin is a normally distributed random variable with a mean of 290 calories and a standard deviation
Classify each of these variables as categorical or numerical. If the variable is numerical, determine whether the variable is discrete or continuous.
The diameters of oranges in a certain orchard are normally distributed with a mean of 5.26 inches and a standard deviation of 0.50 inches.
Let z be a standard normal random variable and calculate the following probabilities:
Past experience indicates that 30% of all individuals entering a certain store decide to make a purchase.
Explain how fonts or formats might incorrectly be used to represent information, and give an alternative way of representing that same information.
Suppose it is known that the distribution of purchase amounts by customers entering a popular retail store is approximately normal with mean $25
Spring-loaded canons are designed to shoot t-shirts into the stands at sporting events. Test firings are conducted on a large level field.
IF the sampled population has a mean 48 and standard deviation 16, then the mean and the standard deviation for the sampling distribution
Humanities majors spend an average of $115 per course on books. Mathematics majors spend an average of $70 per course on books.
How would you apply basic probability concepts to facilitate business decision making? What is the difference between discrete and continuous probability
Trace the inventory behavior with the forecasted demand (assume they are accurate and there are no forecasting errors)
The amount of cereal in a box is not constant, but the distribution can be modeled with a normal distribution with a mean of 16.5 ounces.