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1. Define and give an example of each of the terms in the Important New Terms section.
2. Identify which of the following represent continuous variables and which are discrete variables:a. Time of day
b. Number of females in your class
c. Number of bar presses by a rat in a Skinner box
d. Age of subjects in an experiment
e. Number of words remembered
f. Weight of food eaten
g. Percentage of students in your class who are females
h. Speed of runners in a race.
A mean of 116 and a standard deviation of 4.8. If 36 people are randomly selected, find that probability that their mean blood pressure will be less than 118.
At α = .05, is there a difference in variances? Illustrate all steps clearly, including the illustration of the decision rule.
You are asked to test the CFO's claim by examining monthly profits from the sample mega stores using the Z-test. State the decision rule using α = 0.05 significance level?
A coin was flipped 60 times and came up heads 38 times. (a) At the .10 level of significance, is the coin biased toward heads? Show your decision rule and calculations. (b) Calculate a p-value and interpret it.
Is it necessary to know anything about the shape of the distribution of the account balances in order to make an interval estimate of the mean of all the account balances?
Four hundred people apply for three jobs. 110 of the applicants are women. (a) If three persons are selected at random, what is the probability that all are women?
suppose that fifty-two percent of the residents of the city eugene think that arizona will defeat oregon in their next
suppose that the hypotheses h0p.35 and hapgt.35 are to be tested. calculate the ovserved z-statistic for the sample
the probability that sammy makes his own lunch is 0.75. the probability increases to 0.8 if he made his own lunch the
We desire that the system have a small steady-state error for a ramp input so that Kv = 100. For stability purposes, we desire a gain margin of 10 dB or greater and a phase margin of 40° or greater. Determine a lead-lag compensator that meets thes..
when a survey calls residential telephone numbers at random only 24 of the calls reach a live person. you watch the
on a psychology exam with m 76 and s 12 tom scored 9 points below the mean mary had a score of x 70 and bill had a
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