Probability Distribution notes in pdf | Normal distribution notes in pdf | standard normal distribution

In this article we are discussed some basic topic of probability distribution.

1.what is Probability Distribution?

2.what is Normal distribution?

3.what is standard normal distribution? 

4.what is probability density function?

 

standard normal distribution table

Problem of normal distribution

problem of normal distribution

Normal distribution in hindi | standard normal distribution | how tosee normal distribution table

Q.For normal distribution when mean is 1 and standard deviation is 3.find probability for the interval
1) x lies b/w 3.43 to 6.19
2) x lies b/w -1.43 to 6.19

Q1. the mean weight of 500 students is 63 kg and standard deviation is 8 kg .Assuming that the weights are normally distributed. Find how many students weight more than 60 kg.

Q.2) In a certain examination test ,2000 students appeared in a subject of mathematics.
Average marks obtained were 50% with SD 5%.How many students do you expect to obtain more than 60%, Supposing that are distributed normally

Q.3) Suppose heights of students follows normal distribution with mean 190 cm and variance 80 square cm. In a school of 2000 students how many would you expect to be above 200 cm tall

Q.4) suppose heights of students follows normal distribution with mean 200 cm and variance 100 cm .In a school of 2000 , students how many would you expect to be above 200 cm tall.

Q.5) For a normal distribution N=300, mean=75 and standard deviation=15 . How many values lie between x=60 and x=70 ?

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