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Normal Distribution Contd. Starter Quiz 2
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Question 1Multiple Correct Options
A die is tossed 180 times. If the probability of 6 turning up atleast 35 times is calculated through normal distribution, which of the following computations are correct for the above Data?
(Area under the normal b/w 
and 
is 0.35)
[Multiple Select Question]
Question 2
The number of parameters of Binomial and Normal Distribution are respectively?
Question 3
Let X be a random variable following normal distribution with mean +1 and variance 4. Let Y be another normal variable with mean –1 and variance unknown. If P(X ≤ -1) = P(Y ≥ 2), the standard deviation of Y is
Question 4
Which of the following is FALSE about Normal distribution?
Question 5
The standard normal probability function can be approximated as 
Where, XN = standard normal deviate. If mean and standard deviation of annual precipitation are 102 cm and 27 cm respectively. The probability that the annual precipitation will be b/w 90 cm and 102 cm is
Where, XN = standard normal deviate. If mean and standard deviation of annual precipitation are 102 cm and 27 cm respectively. The probability that the annual precipitation will be b/w 90 cm and 102 cm is
Question 6
Let X be a binomial random variable with n = 72 and 
. Using normal approximation to binomial distribution, an approximate value of P(22 ≤ x ≤ 28) is:
. Using normal approximation to binomial distribution, an approximate value of P(22 ≤ x ≤ 28) is:
Take P[-0.5 ≤ Z ≤ 0] = 0.1919
P[0 ≤ Z ≤ 1] = 0.3413
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