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Finding the probability of each event in a group of events of different possibility
The table below shows the number of students at a small liberal arts college.
Freshmen
Sophomores
Juniors
Seniors
totals
Male
342
296
192
1074
Female
368
314
220
1164
Total
710
506
412
2238
If one student is randomly selected from this college, find the probability of selecting:
a. A freshman if the student is female.
b. A female if the student is a senior.
c. A sophomore male.
Process data by Excel using its two-way ANOVA without replication program.
Find out sample correlation coefficients of (I) age with dry weight, and (2) age with log 10 dry weight. Interpret your results.
Find out the least-squares regression line and interpret its slope.
For the following scores, find the: A. Mean. B Median. C. Sum of squared deviation. D. Variance. E. Standard deviation.
According to a hospital administrator, historical records over the past 10 years have shown that 20 percent of major surgery patients are dissatisfied with after-surgery care in the hospital. A scientific poll based on 400 hospital patients has ju..
Explain can you find out statistical support in this poll for that statement. When it comes to the war in Iraq, among which of the subsiquent statements comes closer to your point of view.
X has a normal distribution with a mean of 80.0 and a standard deviation of 3.5. Find the following probabilities.
Determine the best replacement policy over the next five years?
The lengths of pins produced by a machine follow a normal distribution with mean 2.54 cm and standard derivation 0.04 cm.
There is a statistical deception here. Explain what is deceptive about the bar graph.
Assume that the length X in minutes of a regular season NBA game is normally Distributed with X~N (µ X , σ 2 X );
The following data represent the cost of electricity for the period of July 2008 for a random sample of 50 one-bedroom apartments in a large city.
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