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Q1. A multiple-choice test consists of 12 questions with 4 possible answers to each question. In how many ways can the test be completed?
Q2. Find the number of ways to draw:
a. A 5-card hand consisting of spades onlyb. A 4-card hand with 2 aces and two queens
Q3. There are 10 puppies in a cage, of which 6 are male and 4 are female. If you select 3 puppies at random, what is the probability that they will all be the same gender?
Discuss the underlying causes that might explain the trend. (c) Use Excel, MegaStat, or MINITAB to fit three trends (linear, quadratic, and exponential) to the time series.
State the decision rule using the .01 significance level. Compute the value of chi-square. What is your decision regarding Ho?
A researcher reports an F-ratio with df = 3, 36 from an independent-measures study. How many treatment conditions were compared in the study?
At the .05 significance level, is the number of units produced on the afternoon shift larger?
Assuming the nurses surveyed were a simple random sample from the population of all nurses in the United States, find the appropriate null hypothesis for these data
Explain why an observed value of 250 hours is not unusual for an individual light bulb, even though it is outside the confidence interval you calculated.
What is the probability that the difference between the sample mean and the population mean is less than 0.01? 5. What is the likelihood the sample mean is greater than $ 3.87?
Write a hypothesis about the length of words in newspapers and magazines, Design and carry out an investigation to test your hypothesis.
Find the 90% confidence interval for the standard deviation for the time it takes an inspector to check a bus for safety if a sample of 27 buses has a standard deviation of 6.8 minutes.
Write a brief statement of purpose of the study. Define the population. State the hypotheses for the study. Select an a value
Calculate the mean, median of the following grade point averages
to get the best deal on a cd player tom called eight appliance stores and asked the cost of a specific model. the
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