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An independent-measures research study uses two samples, each with n = 12 participants. If the data produce a t statistic of t = 2.50, then which of the following is the correct decision for a two-tailed hypothesis test?
resistors to be used in a circuit have an average resistance of 200 ohms and a standard deviation of 10 ohms. suppose
The professors mentioned, he was determined to find the correct answer and make a correction during a future broadcast. What are the chances of getting 15 days of rain during the next 30 days?
If a random student is chosen what is the probability that he or she scores less than 59? What score indicates that the student has to retake the exam?
What is a test statistic and how is it related to a critical value in hypothesis testing? What is the critical region in hypothesis testing and why is it important?
the probability of two or more events occurring concurrently is called aa conditional probability.b empirical
consider a normally distributed random variable x with mean of 8 and a variance of 4. what is the probability that x
A skeptical paranormal researcher claims that the proportion of Americans that have seen a UFO is less than 1 in every one thousand. State the null hypothesis and the alternative hypothesis for a test of significance.
Given the following frequency distribution, find the mean, variance, and standard deviation. Please show all of your work so I can see how to do this for the future. This one is good example of what I can do in future for real estate.
suppose that college faculty with the rank of professor at tow-year institutions earn an average of 64571 per year with
let x be a discrete random variable that is uniform over the set of integers in the range ab where a and b are given
If light bulbs have lives that are normally distributed with a mean of 2500 hours and a standard deviation of 500 hours, what percentage of light bulbs have a life less than 2500 hours?
The same probability of getting choosen. In how many different ways can the teams be chosen so taht the number of employees on each project are as follows: 5 1 10.
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