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1. Pizza House offers 4 different salads, 5 different kinds of pizza, and 4 different desserts. How many different three course meals can be ordered?
2. Assume the probability is ½ that a child born is a girl. If a family has three children, what is the probability that they have:
a. Exactly one girl
b. At most two boys
A certain disease occurs in 35% of the population. A test for the disease is fairly accurate: it misclassifies people with the disease as healthy 6% of the time and reports that a healthy person is diseased just 7% of the time.
Average electric use was studied.a previously known population standard deviation was 450KWH. a sample of 81 houses was studied and found to have a mean of 1858 KWH. Find the 95% confidence interval for the true mean.
Let p represent the population proportion of all numbers in the corporate file that have a first nonzero digit of 1. Test the claim that p is less than 0.301 by using What is the P-value of the test statistic?
Make use of normal probability distribution features of EXCEL to help determine the probability.
Ten asthmatics were asked to compare the effect of salbutamol and fenoterol sprays in relieving their asthma attacks. Assume that salbutamol and fenoterol are equal in terms of effectiveness and side effects in all people
For each of the following populations, would a score of X = 50 be considered a central score (near the middle of the distribution) or an extreme score (far out in the tail of the distribution)?
The math SAT scores for all women are normally distributed with a mean of 496 and a standard deviation of 105.
Use the five-step p-value approach to hypothesis testing and a 0.05 level of significance to determine whether the proportion of full-time students at Miami University is different from the national norm of 0.46.
Is there a difference in the number of points students earned on their educational statistics pretests and posttests?
Give an example of a repeated measures analysis of variance (ANOVA)--no examples of therapy or temperature.
Is there evidence to suggest a difference in the mean waiting times at the four body shops? Use the .05 significance level.
Each party's position must be statistically sound. Include as suitable graphs, computations, and statistical tests.
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