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The question is
Sixty percent of clowns aren't funny.
If you randomly encounter three different clowns, what is the probability that none of them are funny? Please explain how to find the answer and please give me the correct answere.
0.333
0.18
0.216
0.784
0.82
Find the distribution of Tn, and compute E Tn and Var Tn. Remark. Customers arriving (and leaving) while the ATM is busy thus do not affect the service time.
We have the following data: sample mean ¯x= 42.6, sample deviation s= 2, number of samples n= 33 and the null hypothesis is µ0= 42.
1.a company is studying their processes and for one of them the acidity of the mixture is critical. they have obtained
Construct a scatter plot for the data and do the data appear to have a positive linear correlation, a negative linear correlation, or no linear correlation?
12 mature citrus trees of one variety and 15 of another gave means and standard deviations of their heights as 13.8 and 12.9 ft (means), and 1.2 and 1.5 ft (standard deviations).
if np gt5 and nqgt5 estimate pmore than 9 with n14 and p0.3 by using the normal distribution as an approximation
The director for training at a company that manufactures electronic equipment is interested in determining whether different training methods have an effect on the productivity of assembly line employees.
The personnel manager of the firm is interested in knowing whether age is a factor in the taking of sick days.
In the report, the researchers stated, "These results remain significant after adjustment for socioeconomic status." What does this mean? Can we conclude that a television in the bedroom causes a higher body mass index? Explain.
a) Formulate the decision rule. b) Calculate the joint proportion.
The army reports that the distribution of head circumference among male soldiers is approximately Normal with mean 22.8 inches and standard deviation.
In terms of probability, what is meant by "mutual exclusivity"? Provide an example scenario where one might have data where in this feature is present and then when it is not
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