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Need help answering this Question. We noted 45% of population have type o blood. If a random sample of 10 is taken from the population , what is the probability that at least 3 of them have type o blood?
Statistics and Probability, Statistics
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The mean height of women in a country? (ages 20-?29) is 63.5 inches. A random sample of 65 women in this age group is selected. What is the probability that the mean height for the sample is greater than 64 ?inches? Assu ...
If you know your raw score is 35, your z score is -3, and your t score is 20. The mean is 50 and the standard deviation is 5. How would you use this information to solve for a percentile rank?
The distribution of heights of adult American women is approximately normal with a mean of 64 inches and standard deviation of 2 inches. What percent of women is taller than 68 inches?
Suppose a soccer team wins each of its games with probability 0.4, loses with probability 0.4, and ties with probability 0.2, with each game's outcome independent. Their season starts, and they play a game every day.Let ...
A normal distribution has a mean equal to 45. What is the standard deviation of this normal distribution if 2.5% of the proportion under the curve lies to the right of x = 52.84? (Round your answer to two decimal plac ...
How could legislation impact on operations within your organisation in relation to innovation, project management, and operational planning? Briefly outline any relevant requirements (e.g. intellectual property, WHS).
In families with four children, you're interested in the probabilities for the different possible numbers of girls in a family. Using theoretical probability (assume girls and boys are equally likely), compile a five-col ...
Let X be the random variable that represents the life in hours of a certain electronic device. The probability density function of X X is f(x)=360x 3 f(x)=360x3 , 10≤x≤15 10≤x≤15. Find the expected life of this device.
SmithCo is a supplier to many brand name makers of mobile phones. SmithCo manufactures the external shells that enclose mobile phones. The strength of a shell is measured by applying increasing pressure to the shell and ...
Discuss if you think policy makers truly represent the citizenry or are they pressured by third party special interest groups that support their campaigns. Should they represent both?
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Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate
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Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As
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Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As