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According to Catalyst, 14.3% executive positions in Fortune 500 companies are occupied by women in 2012. A random sample of 180 Fortune 500 executives was selected. What is the probability that 20% or less of this sample were women?
Suppose you were a consultant who has been engaged by an airline company to estimate the 'fudge' factor for passenger's weights. Describe an experiment you would consider to estimate this 'fudge' factor. Discuss the statistical test you would cons..
The mean and standard deviation of these scores are 23.0 and 5.0 respectively. The test was administered to 100 students. What is the T-score equivalent to the raw-score 13?
Use the frequency chart on the age of actors and when they won a prestigious award and construct a corresponding histogram.
In a survey of the 3000 boy scouts in the National Capital Area Council (NCAC), it is found that they have a mean weight of 135 lbs with a standard deviation of 15 lbs. How many of the boy scouts have weights between 120 lbs and 150 lbs.?
a genetic test is used to determine if people have a predisposition for thrombosis which is the formation of a blood
assume that a procedure yields a binomial distribution with a trial repeated n times. use the binomial probability
the following two acceptance rules are being considered for determining whether to take delivery of a large shipment of
A company that has 200 employees chooses a committee of 15 to represent . When the committee is formed, none of the 56 minority employees are selected. if the committee is chosen randomly. What is the probability that it contains no minorities.
Let W(t) denote a wide sense stationary Gaussian noise process with µW = 0 and power spectral density SW ( f ) = 1. (a) What is RW (τ ), the autocorrelation of W(t)?
q1 use the normal approximation to the binomial to find the probability of x 20 when n 30 and p 0.5.q2 of
A recent poll of 700 people who work indoors found that 278 smoke. If the researchers want to be 98% confident of their results to within 3.5 percentage points, how large a sample is necessary?
fuel economy estimates for automobiles built one year predicted a mean of 27.2mpg and a standard deviation of 5.8mpg
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