Winning on any one play
An instant lottery game gives you probability 0.017 of winning on any one play. Plays are independent of each other.
If you play 3 times, the probability that you win on one or more of your plays is about (±0.0001) ____ ?
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Drawing a black card (club or spade) from a standard deck of cards
What is the probability that "two" is the lowest number thrown? What is the probability that "five" is the highest number thrown and "three" is the lowest?
Describe how you will design a study that will optimize sensitivity, specificity, and predictive value and minimize Type I and II errors.
let X and S^2 be the mean and variance of a random sample size n=16 from the normal distribution N(u, gamma^2)
For which of the following is a binomial distribution appropriate for the variable X?
Eight different medical students took blood pressure measurements of the same patient and the results are listed below. use the regression equation to answer parts (a)-(e).
The cholesterol found in eggs is normally distributed with a mean of 200 mg. and a standard deviation of 8 mg. If a sample of 30 eggs is selected at random, find the probability that the mean cholesterol is more than 205. Round answer to 6 decimal
Find the cost for staying with the gym for 3 years. Determine the maximum number of months one can stay with this gym for $1000.
What are the appropriate null and alternative hypotheses to test whether the mean for population 2 is larger that that for population 1.
At a certain gas station, 70% of the customers use regular-grade unleaded gas and 30% use higher-grade unleaded gas. It is also known that among the customers using regular-grade gas, 60% will fill their tanks; among the customers using higher-gr
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