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In 2010, a Gallup poll surveyed 1016 households in the U.S about their pets. Of those surveyed, 599 said they had at least one dog or cat as a pet. Find and interpret the 95% confidence interval for the population proportion.
Statistics and Probability, Statistics
In a random sample of 100 college student 60 were females, 65 were under 21 years of age and 15 males were 21 years of age or older, a student is selected at random from the sample. What is the probability that a female ...
'"Consider the average home mortgage in New Zealand of $283 000 where the standard deviation of the mortgages is $50 000 and home mortgages are normally distributed. If a home is known to be more than $250 000, what is t ...
Is it possible to have no (or very small) collinearity and correlation between variables, yet have the same R squared and Adjusted R squared values?
A sample of 100 randomly selected students found that the proportion of students planning to travel home for Thanksgiving is 0.68. What is the Standard Deviation of the sampling distribution?
At Litchfield College of Nursing, 85% of incoming freshmen nursing students are female and 15% are male. Recent records indicate that 70% of the entering female students will graduate with a BSN degree, while 80% of the ...
At a university, the probability that an incoming freshman will graduate within four years is 0.553. Use the normal approximation to estimate, to the nearest thousandth, the probability that (a) at least 60 out of a grou ...
Based on labor? statistics, 12 % of workers in a particular profession are male. Complete parts a through e below based on a random sample of 8 workers in this profession. a. What is the probability that exactly one wor ...
You decide to research further this seemingly contradictory guidance, hypothesizing that the true population average core body temperature amidst higher ambient temperature and humidity levels while using an electric f ...
In the game of? roulette, a player can place a ?$7 bet on the number 18 and have a 1/38 probability of winning. If the metal ball lands on 18?, the player gets to keep the ?$7 paid to play the game and the player is awar ...
In a single? season, an average of 2.4 home runs were hit per game. Assume the number of home runs per game follows the Poisson distribution. ?a) What is the probability that 6 home runs will be hit in a randomly selecte ...
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p
Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int
Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As