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A trend line for the attendance at a restaurant's Sunday brunch is given by,How many guests would you expect in week 20?
A study by the US Department of Transportation found that 84.3% of US households with incomes under $30,000 did not own a dishwasher while only 21.8% of those in the over $50,000 income range did no
Obtain the transition probability matrix. Also determine the proportionate visits by him to each of the cities in the long run.
How heavy does a box have to be for it to be labeled overweight? Round your answer to the nearest hundredth.
The materials used in one shirt cost $10, and Gina can sell these for $15 each. How many shirts must Gina sell to break even?
The actual weight of soap powder in a box has a normal distribution with a mean of 33 oz. and a standard deviation of 0.8 oz. What proportion of packets are underweight (i.e., weigh less than 32 oz.
An average of 500 people pass the California bar exam each year. A California lawyer practices law, on the average, for 30 years. Assuming these members remain steady, how many lawyers would you exp
In the regards to a stem-and-leaf plot that best represents the given data, what would the stem be? Determine which stem would have the most leaves and explain what this means in terms of the GPA's.
The over 3000 potatoes on the truck. Suppose that only SIX of the potatoes sampled are found to have major defects. What is the p-value of her test?
The mean attention span for adults in a certain village is 15 minutes with a standard deviation of 6.4. What is the probability of randomly selecting a sample of 30 scores which has a mean attention
The process is monitored daily by taking samples of n=160, today the number of defective parts were 17 what would be a 95% confidence interval for proportion defective?
A contractor is considering a sale that promises a profit of $32,000 with a probability of 0.7 or a loss (due to bad weather, strikes, and such) of $9000 with a probability of 0.3. What is the expec
The effect of an antidepressant drug varies from person to person. Suppose that the drug is effective on 80% of women and 65% of men. it is known that 66% of the people who take drug are women. Tha
The percentage of physicians who are women is 27.2%. In a survey of physicians employed by a large university health system, 48 of 120 randomly selected physicians were women. Compute the test value
In a random sample of 16 mountain climbers who are going to attempt Mt. McKinley, what is the probability of each of the following?
The publisher selects a random sample of 200 subscribers and finds that 116 plan to renew their subscriptions. Use (α=0.10). p = the population of subscribers to Golf Illustrated who renew. Dete
with a standard deviation of 1.7 grams. Assuming the distribution of weights is normally distributed, 4% of whooping crane eggs weigh less than how many grams?
The publisher selects a random sample of 200 subscribers and finds that 104 plan to renew their subscriptions. Use (Ą=0.025). p = the population of subscribers to Golf Illustrated who r
With a selling price of 40 dollars each, how many pool cues must be sold to break even? What would the total revenue be at this break even point?
There are exactly 8 bulls eyes in 10 shots? there are no more that 8 bulls eyes in 10 shots? she gets atleast one bulls eye?
CD Camera produces a new camera that it claims can take an average of more than 7 photographs per second. A test of 49 randomly selected cameras yielded the following sample values: x = 7.2 photos/s
Of 346 vending machines tested, 12 are found to be defective. Construct the 98 % confidence interval for the proportion of all defective vending machines.
Does this sample provide enough evidence to conclude that self-esteem scores for these adolescents are significantly different from those of the general population? Use a two-tailed test with x =.01
A hole is drilled in a sheet-metal component, and then a shaft is inserted through the hole. The shaft clearance is equal to the difference between the radius of the hole and the radius of the shaft
a manufacturer of tow chains finds that the average breaking point is at 3,500 pounds and the standard deviation is 250 pounds. if you pull a weight of at least 4200 pounds with this tow chain, what