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The probability that a randomly chosen student of the University of New Harmony is a woman is 0.6. The probability that the student is studying education is 0.15. The conditional probability that the student is a woman, given that the student is studying education, is 0.8. What is the conditional probability that the student is studying education, given that she is a woman?
The running time for videos is normally distributed with mean 390 and standard deviation 148. suppose a sample of 40 videos are selected, what is the probability that the mean running time of the sample exceeds 360 seconds?
Let X be net income of the AirCanada from the above described random experiment. Compute the probability function of X.
ABC Convenient stores uses fixed-time period model to determine order quantity for their popular chewing gum (Supergum). Daily demand for Supergum is 100 units with a standard deviation of 25 units.
The rest have no opinion. " Suppose that a a sample of 100 American adults is quizzed on the subject. What is the probability of the following events?
Find out a 95% confidence interval for the proportion p of adults who have a great deal of trust and confidence in the executive branch of government.
The firm examined 35 randomly chosen fax transmissions during the next year, yielding a sample mean of 14.44 with a standard deviation of 4.45 pages. (a) At the .01 level of significance, is the true mean greater than 10? (b) Use Excel to find the..
What is the 95% confidence interval for the proportion of the population of employees who strongly dislike their current work experience?
Some studies suggest a beta-carotene intake over 3000 mcg may protect against ?macular degeneration. What percentage of people has a dietary beta-carotene intake of at least ?3000 mcg?
According to a survey 41 % of major US companies electronically monitor their employees. Suppose that 5 such companies are selected independently and at random.
Assume half of the 200 passengers are men. What doorway height satisfies the condition that there is a 0.95 probability that this height is greater than the mean height of the 100 men?
Suppose that in order to satisfy legal requirements, a meat pie manufacturer may only produce .2% of pies below a weight of 750grams. If the preceding holds and if the weight of all pies is normally distributed with a standard deviation of 50 gram..
A random sample of 20 single men was asked if they would welcome a woman taking the initiative in asking for a date. What is the probability that none of the men will say yes?
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