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Assignment No: 2 (Lessons 28 – 30)
salam if you ,ve solution of this assignment please.
Question 1: Marks: 3+4=7
a) A box contains 4 red and 5 white flowers. A random sample of 6 flowers is drawn without replacement from the box. Find the probability that the sample contains 3 red flowers.
b) If X is binomially distributed with mean 8 and variance 4.8, then find the parameters of binomial distribution.
Question 2: Marks: 3+5=8
a) Suppose the number of defective screws produced by a machine per day follows Poisson distribution with parameter 2. What is the probability that, out of the total production of the day, there are at least one defective screw?
b) The Army reports that the distribution of head circumferences among soldiers is approximately normal with mean 23.4 inches and standard deviation 1.4 inches. What percent of soldiers have a head circumference between 21.0 inches and 24.0 inches?
خا ن آفریدی + thanks for sharing
Assignment No: 2 (Lessons 28 – 30)
salam if you ,ve solution of this assignment please.
Question 1: Marks: 3+4=7
a) A box contains 4 red and 5 white flowers. A random sample of 6 flowers is drawn without replacement from the box. Find the probability that the sample contains 3 red flowers.
b) If X is binomially distributed with mean 8 and variance 4.8, then find the parameters of binomial distribution.
Question 2: Marks: 3+5=8
a) Suppose the number of defective screws produced by a machine per day follows Poisson distribution with parameter 2. What is the probability that, out of the total production of the day, there are at least one defective screw?
b) The Army reports that the distribution of head circumferences among soldiers is approximately normal with mean 23.4 inches and standard deviation 1.4 inches. What percent of soldiers have a head circumference between 21.0 inches and 24.0 inches?
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