The random variable x is known to be uniformly distributed between 1.0 and 1.5 Compute ?(? = 1.25)
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The random variable x is known to be uniformly distributed between 1.0 and 1.5
Compute ?(? = 1.25)
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- If the random variable X is normal with mean 2 and standard deviation 2, then what is P(x2 - 4x < 1). 3Suppose that the speed at which cars go on the freeway is normally distributed with mean 76 mph and standard deviation 10 miles per hour. Let X be the speed for a randomly selected car. Round all answers to 4 decimal places where possible. If one car is randomly chosen, find the probability that it is traveling more than 78 mph. If one of the cars is randomly chosen, find the probability that it is traveling between 79 and 85 mph. 85% of all cars travel at least how fast on the freeway? mph.Assume the random variable x is normally distributed with mean u= 86 and standard deviation o=4. Find the indicated probability. P(75Assume the random variablex is normally distributed with mean u= 86 and standard deviation o = 4. Find the indicated probability. P(x<79) P(x<79)%3D P(x<79) =(Round to four decimal places as needed.)a) Find such that P( X < ? ) = 0.9332, where X is a normal random variable with mean = 10 and standard deviation = 2.5. b) Find such that P( X > ?) = 0.1230, where X is a normal random variable with mean = 10 and standard deviation = 2.5.Assume that the random variable X is normally distributed with mean = 186.8 and standard deviation = 32. Let n = 50. Find P(195< < 200).where appropriate. 1. Experience has shown that the seeds from a certain variety of orchid have a 75% chance of germinating when planted under normal conditions. Suppose n seeds are planted, and let X be the random variable that counts the number of seeds that germinate. (a) What type of random variable is X? Indicate both the type and the appropriate parameters using the "~" notation. Write down the pmf of X, and do not forget to indicate the range of values that x can take on. X ~ px (x) = = (b) What is the minimum value of n so that the probability of at least five of the seeds germinating is at least 90%?If continuous random variable normally distributed with mu = 256.43 and J = 27.11 , what is P(225.75 <= x <= 300.35) ?Let X be a continuous random variable whose distribution is given by X ~ PAR(6.2). Find the 65th percentile, 65. O 1.2461 O 1.0613 O 1.1229 O 1.1845 O 1.3077Assume that the random variable X is normally distributed with mean = 1000 and standard deviation = 188. Let n = 18. Find P( < 947.4).If X is a uniformly distributed random variable with a=5 and b=9,then Calculate the standard deviation of X? Round to three decimalsAssume the random variable x is normally distributed with mean u = 83 and standard deviation o = 4. Find the indicated probability. P(70Recommended textbooks for youA First Course in Probability (10th Edition)ProbabilityISBN:9780134753119Author:Sheldon RossPublisher:PEARSON
A First Course in Probability (10th Edition)ProbabilityISBN:9780134753119Author:Sheldon RossPublisher:PEARSON