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Determine the area under the standard normal curve that lies to the right of (a) Z= -.018, (b) Z= -1.92 and (d) Z= 0.16
Assume you want to determine the proportion of people in your community who would select Thin Mints as their favorite Girl Scout cookie. Also assume previous studies have shown this proportion to be
Determine the mean, variance and standard deviation for the probability distribution given below:
When parking car in downtown parking lot, drivers pay according to number of hours or fraction thereof. The probability distribution of the number of hours cars are parked has been estimated as foll
A student wants to determine whether her dog Muffin tends to chase her blue ball more frequently than she chases her red ball. The student rolls both blue ball and red ball at the same time and obs
Suppose the random variable X is normally distributed with the mean u =50 and standard deviation a=7. Calculate the probability. Be sure to draw the normal curve with the area corresponding to the p
The number of flaws per square yard in a kind of carpet material varies with mean 1.4 flaws per square yard and standard deviation 0.8 flaws per square yard.
Let U be uniformly distributed over the interval [0,L],where L follows the gamma density fL(x)=xe^(-x),for x>=0. What is the joint density function of U and V=L-U?
You conducted Chi-Square Goodness of Fit Test in your ASCI 691 capstone project. Unfortunately, you did not get the sample size you had hoped for during your research. You were able to get 55 in the
Determine P(X > 4). Use the binomcdf function on your calculator. Is it appropriate to employ the normal approximation to the binomial for this problem? Support your answer with numbers and a test
Assume that 53% of all registered voters prefer candidate Felicia Jones to candidate Janice Lomax for mayor of Port Charles. In random sample of 100 voters, Determine the probability that the sample
Suppose that 96% of ticket holders show up for airline flight. If plane seats 200 people, how many tickets should be sold to make the chance of overbooked flight (more ticket holders show up for fl
Suppose that the demand for the good bananas has continuous distribution that is uniformly distributed between 5 and 10. What is the expected profit of David in a week if he buys 8 pounds of banana?
Find the following t* and z* for the corresponding sample sizes and alpha levels.
If you want to be 99% confident of estimating the population mean to within a sampling error of ±20 and the standard deviation is assumed to be 100, what sample size is required?
If two gloves are randomly chosen from the box, without replacement (the first glove isn't returned to box after it is selected), determine the probability that there will be one right-handed glove
At a local university, when scheduling classes, the probability that there're no evening classes available on certain day is 0.74 . Determine the probability that there is at least one evening class
Determine the probablity that randomly chosen college student will take between 2 and 5 minutes to find a parking sport in the library parking lot.
Calcualte a 95% interval of confidence for the mean and interpret your result
Compute a 95% interval of confidence for the mean and interpret your result
Develop a frequency diagram with 4 intervals. Make a histogram for the absoute frequency. Determine percentage frequency and cumulative absolute frequency
Consider the following data sample : 60, 72 , 102, 140 , 110, 66 , 114. Consturct a frequency diagram with 4 intervals
The data below represent the time ( in minute ) taken by 11 persons to have lunch
If the probability that a proposal is judged worthy of funding by the first panel is 0.2, what are the probabilities of these events? (Enter your answers to two decimal places.)