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F(x) = k(1-1/x^2), 1 ? x < 2 is the distribution function for a continuous random variable X. Solve for the value of k and find the probability density function for X
Statistics and Probability, Statistics
In a sample of 12 kids, their mean time on the internet on the phone was 3.9 hours with a standard deviation of 0.7 hours. Which distribution would be most appropriate to use?
A research a research institute conduct the clinical trials of a method designed to increase the probability of conceiving a boy. Amount 170 to babies born to parents using the method. 146 for boys. Identify the margin o ...
5% of females smoke cigarettes. What is the probability that the proportion of smokers in a sample of 865 females would be greater than 3%
How would I calculate this to get the probability. If a person bought 1 share of Google stock within the last year, what is the probability that the stock on that day closed at less than the mean for that year? Hint: You ...
A pawnshop will lend $4,750 for 45 days at a cost of $35 interest. What is the effective rate of interest? (Use a 360-day year. Do not round intermediate calculations. Input your answer as a percent rounded to 2 decimal ...
A die is rolled four times. What is the probability that the sum of four numbers equals 13?
Armstrong Faber produces a standard number-two pencil called Ultra-Lite. The demand for Ultra-Lite has been fairly stable over the past ten years. On average, Armstrong Faber has sold 457,000 pencils each year. Furthermo ...
What is an important benchmark for any kind of business and for business how would you use break even in making business decisions?
Many Raleigh, north Carolinian's owns one or more TVs. Below is a distribution of the number of TVs per house hold in Raleigh. Fill in the missing probability to make a valid discrete probability distribution or explain ...
The height of 5th grade boys is normally distributed with mean μ=57 inches and standard deviation σ=2 inches. What is the probability that the height of a randomly selected 5th grade boy will be between 53 inches and 61 ...
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