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A female patient has had her red blood cell count tested on 6 occasions. A mean of 4.4 with sample standard deviation, s, of 0.28 was found. Generally, healthy, female adults have a red blood cell count of 4.8. Conduct a hypothesis test to determine if the red blood cell count for this patient is lower than normal. (Use a = 0.05.)
the crew of the starship enterprise is considering launching a surprise attack against the borg in a neutral quadrant.
What factors accounted for the Democratic Party's status as the dominant political party in the 1890s South?
You are conducting a study on what socio-demographic factors could be behind the behavioral problems of students. You are looking at how many times a student was sent to detention. You have information on race, gender, household median income, single..
The participants in a television quiz show are picked from a large pool of applicants with approximately 60% men and 40% women. X is a random variable that gives the number of females chosen when ten participants are picked randomly.
Is the gender distribution for theater goers significantly different from the distribution for the general college? Test at the .05 level of significance.
1. What is the slope of this line? Say in words what the numerical value of the slope tells you. 2. What is the intercept? Explain why the value of the intercept is not statistically meaningful.
For this set of numbers: 40 40 45 43 48 45 40 40 40 40 40 40 40 48 43 40 43 40 40 45 what is the mean, standard deviation.
How much money did Mark make? What was his return on invested capital, given that the initial margin was 12.50%?
What is the probability a randomly chosen CD is not perfect? If the disk is not perfect, what is the probability it cannot be used at all?
Explain what are prices and what can be learned from their study? Explain the question from consumer, producer, and market perspectives.
Problem: Random digits. The table of random digits (Table B) was produced by a random mechanism that gives each digit probability 0.1 of being a 0.
Find the expected GPA when SAT = 800. Find E (GPA|SAT = 1,400). Comment on the difference.
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