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Past studies indicate that the temperature of the human body is normally distributed with standard deviation of 0.11 degrees Celsius. A pharmaceutical company conducts a study about effects of its new blood-pressure drug. A part of the study is to measure the temperature of participants prior to, and an hour after the drug was administered. The study was conducted on 47 volunteers and the average temperatures before and after taking the drug were 36.82 and 36.79 degrees Celsius, respectively.
Does the drug affect human body temperature? What is a null hypothesis and should it be accepted at 5% significance level?
Batteries. In a group of 10 batteries, 3 are dead. You choose 2 batteries at random.
An example of a multinational organization and determine how the factors are similar, and dissimilar
You reach into the bag, pick one die at random, and roll it. The outcome of the roll is 4. What is the probability that you rolled the 6-sided die?
the average hourly wage of workers at a fast food restaurant is 6.50hr with a standard deviation of 0.45. assume that
Find a formula for the linear function described. The function, y=f(x), where f(c)=k, f(c+h)=3k and the graph of f(x) goes through the origin.
How were "Jeffersonian" or "Republican" goals often inconsistent? Were political and economic leaders, or the American people themselves
If the obtained probability in an experiment equals 0.1500, then the probability that chance alone is at work equals 0.1500. Is this statement true? Explain.
The lifetime of zzz batteries are normally distributed with a mean of 270 hours and a standard deviation of 10n hours. Find the number of hours that represent the 40 th percentile.
What is the probability there is exactly one non-defective? (Hint: You have to use both Multiplication and Addition rules
Draw the phase portrait associated with x'' - 2x' + 2x = 0 and draw a rough sketch of the solution x(t) that satisfies x(0) = 1 and x'(0) = 0.
Can single-case experimental designs be used to test the effects of various levels of an independent variable? Explain.
A student scored 534 points on a quiz, and the students standard score was 1. The standard deviation of quiz scores was 38. What was the mean of the quiz scores
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