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When testing a hypothesis, only two decisions are possible;
1. Reject the null hypothesis.
2. Fail to reject the null hypothesis.
Use the following scenarios to PROVIDE THE HYPOTHESIS and describe, the meaning of Type I and Type II errors within the scenario you selected. Provide evidence of the error.
-A woman schedules an appointment with a doctor complaining of feeling sick. The doctor diagnoses her of being pregnant.
-Any person, who has not smoked a single tobacco product in life, is diagnosed with lung cancer.
the probability that a car is red and has a white interior is 0.3. the probability that it is red is 0.7. the
data was collected consisting of the number of alcoholic drinks students have during the week and their gpa. the data
Analyze how validity in psychometrics, as you explored in unit 4, is different from a validity scale in a test of personality.
I have a lower spec limit of -0.008 and an uppers spec limit of 0.008. The mean of the data is -0.00306 and standard deviation is 0.003642. What is the z-score and DPMO
a. Write out the hypothesis test in terms of : Ho, Ha; u b. Using the hypothesis test written in part a, conduct the test for the following situations (use : a
Discuss the positive and negative effects of the Cold War on African Americans.?
the demand for a product of carolina industries varies greatly from month to month.based on the past two years of data
A sample of 3 is taken from a population of 12 engines. what is the probability that out of 3 taken, at least one is english standard engine?
The population is 500 pounds. At a 80% level, how many elephants need to be weighed so the average weight will be accurate to within 350 pounds?
The store manager is under impression that his sales people do more business if they score higher on the social skills test which was administered this year. 5 victims were selected at random. Below, the results are X =test score, Y =weekly sales ..
The amount of ore (in tons) in a segment of a mine is assumed to follow a normal distribution with mean 185 and standard deviation 40.
One state lottery has 500 prizes of $1, 75 prizes of $15, 15 prizes of $100, 5 prizes of $450, 2 prizes of $1225, and 1 prize of 2500. Assume that 28,000 lottery tickets are issues and sold for $1. What is the lottery's expected profit per ticket?
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