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Construct the probability distribution for the value of a 2-card hand dealt from a standard deck of 52 cards (all face cards have a value of 10 and an ace has a value of 11).
a. What is the probability of being dealt 21?
b. What is the probability of being dealth 20?
c. Construct a chart for the cumulative distribution function. What is the probability of being dealt a 16 or less? Between 12 and 16? Between 17 and 20?
d. Find the expected value and standard deviation of a two-card hand
Regression and Correlation are two of the most often used and abused tools in research. People are quick to jump to conclusions that if a relationship exists between two variables, then one must cause (causation) the other. There are many reasons ..
Carry out test of independence to find out whether employee health insurance coverage is independent of size of company. Use α = 0.05 level of significance.
Make a decision regarding the null hypothesis based on the sample information. Interpret the results of the test and state your conclusion.
Find the margin of error for the 95% confidence interval used to estimate the population proportion.
The random variable x has a normal distribution with mean=30 and standard deviation=30, find the probability that x assumes a value more than two standard deviations from its mean. more than three standard deviations from the mean.
Describe the use of sensitivity analysis and postoptimality analysis in analyzing the results. Describe the characteristics of a Bernoulli process. How is a Bernoulli process associated with the binomial distribution?
Draw the distribution of the random variable X, representing her time of arrival. (Be sure to include labels and values on the axes.)
Determine the coefficient of determination. Assuming a direct relationship between the variables, what is the coefficient of correlation?
Determine the values of mean M and standard deviation s for original sample?
Egyptians watch an average of 2.5 hours of television per person per day. If the standard deviation for the number of hours of television watched per day is 1.6 and a random sample of 225 Egyptians is selected, the mean of this sample belongs to a..
What is the probability that the person thinks that "Made in America" ads boost sales and uses social media online?
Given this information, what would sampling error be if sample including seven values in top row were used to calculate sample mean?
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