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A jar contains 12 marbles, 5 of which are blue and 7 of which are red. If 4 marbles are chosen at random and without replacement, what is the probability of selecting 3 blue ones and 1 red one?
a. 5C3 x 7C1/12C4b. 5P3 x 7P1/12P4c. 5C2 x 7P2/12d. Answer not listed
Make your calculation supposing a two-sided two-sample t-test with a type I error (alpha) of 0.056
The chi-square goodness of fit test can be used when we:
Without constructing the 98% confidence interval for the rate of effectiveness, would you expect the interval to be longer or shorter compared to the 95% confidence interval? Why?
Evaluate the mean wait time and throughput rate
What statement can you made by using the rule of three, about the proportion p, of all its computers which are defective?
A researcher conducts some research in which they identify a significant positive correlation (r =0.42) between the number of children a person has and their life satisfaction. Which of the following is it inappropriate to conclude from this resea..
The Acme Candy Company claims that 8% of the jawbreakers it produces actually result in a broken jaw. Suppose 9571 Persons are selected at random from those who have eaten a jawbreaker produced at at Acme Candy Company. Would it be unusual for thi..
What are some differences between discrete and continuous data? Is the measurement of money continuous or discrete? Explain. Can discrete data be analyzed using a normal distribution? Why or why not?
Using the 0.01 significance level, can we conclude that there is a positive correlation between the variables?
An airline estimates that 98% of people booked on their flights actually show up. If the airline books 76 people on a flight for which the maximum number is 74
An orange juice producer buys only one kind of oranges. The amount of juice squeezed from each of these oranges is approximately normally distributed with a mean of 4.2 ounces and a population standard deviation of 1 ounce.
SAT Math scores have a bell-shaped distribution with a mean of 515 and a standard deviation of 116. a) what percentage of SAT scores are between 399 and 631?
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