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# Assignment No.2 (Course STA301)

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STA301_2 Assignment Complete solution Question #1 solution also included now Solution BY Zain Nasar

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thanks

Good Job bro thanx alot

Zain Bro kindly last Q ka b part detail se elaborate kr dein ya phr handouts k page 232 pe jo example he uss mn x and z ki value kese ati he ?

STA301 Assignment#02 Solution By  l)ani khan

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Imaan Yousaf thanks for sharing :-)

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welcome Sir

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?

‪#‎STA301‬ Similar Example:
Assignment #2 Question 2:
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?

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