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You are planning to purchase a toy robot for your nephew's birthday. The robot has 5 electronic components. There is a 1% probability that any one of the components will be defective. If two or more of the components are defective, the robot will not function properly. What is the probability that the toy robot you purchase for your nephew will not function properly when he takes it out of the box?
a. What are the expected frequencies of winners from each class? b. Conduct a significance test to determine whether the winners of the prizes were distributed throughout the classes as would be expected based on the percentage of students in each..
The payouts for the Powerball lottery and their corresponding odds arean probabilities of occurrence are shown below. The price of a ticket is $1.00. Find the mean and standard deviation of the payout.
an order for an automobile can select the base model or add any number of 11 options. the random variable is the number
Using 5% level of significance, is there any difference in proportion of guests who would select the two resorts? What is your conclusion?
What percentage of all samples of size 61 will have a mean value between 454 and 482? Give your answer correct to one decimal place.
Determine whether the hypothesis test involves a sampling distribution of means that is a normal distribution, Student t distribution, or neither.
The probability of failure of a battery is described by the probability density function f(t) = kt2 for 0 ≤ t ≤ 120 hours. Determine the probability of the batteries failing within 60 hours
One sample has a variance of s2=6 and a second sample has a variance of s2=8. If the two samples are the same size (n1=n2), then what is the pooled variance for the two samples?
a student wanted to construct a 95 confidence interval for the mean age of students in her statistics class. she
Draw the histogram for these data using an initial class boundary of and a class width. Note that you can add or remove classes from the figure. Label each class with its endpoints.
Explain the distribution of mean of samples of size 15.
Use the following equation for questions 1 and 2. (y + 5)2 = -12(x - 7) 1. Given the above equation of a parabola find the coordinates of the Vertex.
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