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You are asked to match three songs with the performers who made those songs famous. if you guess, the probability distribution for the number of correct matches is:
Probability .333 .500 0 .167
number correct 0 1 2 3
what is the probability you get:
a) exactly one correct
b) at least one correct
c) exactly two correct
d) compute the mean, variance and standard deviation of this distribution
If random sample of size n = 16 are selected, can we say anything about the xbar distribution of sample means?
Draw a tree diagram representing this experiment. Use this tree diagram to find the probabilities below.
Determine the probability that gas tank's capacity is above 15.25 gallons?
At the .05 significance level, is there a difference in the mean number of calls per day between the two employees?
You should use the hypergeometric distribution because you are sampling a small population without replacement.you are sampling a large population without replacement. You are sampling a small population with replacement.
a) yes, because the tst value -3.46 falls in the noncritical region. b) no, because the test value -1.98 falls in the critical region. c) yes, becasue the test value -3.46 falls in the critical region. d) no because the tst value -1.98 falls in the n..
At α = 0.10, can the researcher conclude that alcohol consumption is related to sex? What kind of Chi-Square test is this?
Process data by Excel using its two-way ANOVA without replication program.
Consider the following continuously operation job shop. Inter arrival times of jobs are described as follows: What is the average time for the 10 new jobs?
A popular snack is packed by machine into 9-ounce boxes. The distribution of box weights is normally distributed with a mean of 9 ounces and a variance of 0.01 ounces. What is the probability of randomly selecting a box containing less than 8.9 ou..
In a class of 40, 16 driver a car made outside the United States. What is the confidence interval for the total population of students at the 95% level?
Discuss whether the percent distribution of the cross-tab and chi-square supports/does not support the researcher's hypothesis.
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