Find the area under the standard normal probability density function 1) To the right of z=-0.6...
{ 7875 Elongation (in %) of steel plates treated with aluminum are random with probability density function 15 sxs 30 True (Note: "True" means "Otherwise" or "Elsewere") 1) What proportion of steel plates have elongations greater than 25%? 2) Find the mean elongation. 3) Find the variance of the elongations, 4) Find the standard deviation of the elongations. 5) Find the cumulative distribution function of the elongations. 6) A particular plate elongates 20%. What proportion of plates elongate more than...
If continuous random variable X~ N(6,4), compute * 1) Probability P(X>6.) 2) Probability P(3.<X<7.) 3) Probability P(-1.5<X<2.5) 4) Probability P(-2.<X-2<5.) Show your explanations. Displaying only the final answer is not enough to get credit. Note: round calculated numerical values to the fourth decimal place where applicable.
If continuous random variable X~ N(6,4), compute 1) Probability P(X>6.) 2) Probability P(3.<X<7.) 3) Probability P(-1.5 <X<2.5) 4) Probability P(-2.<X – 2<5.) Show your explanations. Displaying only the final answer is not enough to get credit. Note: round calculated numerical values to the fourth decimal place where applicable.
The lifetime, in years, of a certain type of pump is a random variable with probability density function x 20 (x+1) 0 True (Note: "True" means "Otherwise" or "Elsewere") 1) What is the probability that the pump lasts more than 3 years? 2) What is the probability that the pump lasts between 1 and 2 years? 3) Find the mean lifetime. 4) Find the variance of the lifetime. 5) Find the cumulative distribution function of the lifetime. 6) Find the...
find the area under the standard normal curve to the right of z=2.08. Draw a density curve for this
(a) Find the area under the standard normal curve to the left of z=-2.45.(b) Find the area under the standard normal curve to the right of z=-1.97.(c) Find the area under the standard normal curve that lies between z=-0.86 and z=1.82.(d) Find the area under the standard normal curve that lies outside the interval between z=-2.45 and z=-0.34.Part 1 of 4The area to the left of z=-2.45 is _______ Part 2 of 4The area to the right of z=-1.97 is _______ Part...
Let descrete random variable X - Bin(9,0.3) Find: 1) Probability P(X>5) 2) Probability P( X 2 ) 3) Probability P(2<x<5) 4) Probability P(2<x<5) 5) Probability P(X=0) 6) Probability P(X= 7) 7 Mx 8) Ox Show your explanations. Displaying only the final answer is not enough to get credit Note: round calculated numerical values to the fourth decimal place where applicable.
Let descrete random variable X ~ Bin(9,0.4) Find: 1) Probability P(X> 4) 2) Probability P(X> 2) 3) Probability P(2<X<5) 4) Probability P(2<X<5) 5) Probability P(X=0) 6) Probability P(X=6) 7) ux 8) TX Show your explanations. Displaying only the final answer is not enough to get credit. Note: round calculated numerical values to the fourth decimal place where applicable.
Let descrete random variable X ~ Bin(9,0.4) Find: 1) Probability P(X>4) 2) Probability P(X> 2) 3) Probability P(2 <X<5) 4) Probability P(2<X<5) 5) Probability P(X =0) 6) Probability P(X =6) 7) ux 8) OX Show your explanations. Displaying only the final answer is not enough to get credit. Note: round calculated numerical values to the fourth decimal place where applicable.
1) Find the area under the standard normal curve to the right of z= -0.62. Round your answer to four decimal places. 2) Find the following probability for the standard normal distribution. Round your answer to four decimal places. P( z < - 1.85) = 3) Obtain the following probability for the standard normal distribution. P(z<-5.43)= 4) Use a table, calculator, or computer to find the specified area under a standard normal curve. Round your answers to 4 decimal places....