Homework Answers
P(Z>-2.11) = 1- P(Z<= -2.11) = 0.983
P(Z<=1.82) = 0.965
P(-0.48<Z<2.05) = P(Z<2.05) - P(Z< -0.48) = 0.664
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Standart Normal Probabilities
Let Z be a standard normal random variable. Calculate the following probabilities using...
Let Z be a standard normal random variable. Calculate the following probabilities using the calculator provided....
Let Z be a standard normal
random variable. Calculate the following probabilities using the
calculator provided. Round your responses to at least three decimal
places.
Let Z be a standard normal random variable. Calculate the following probabilities using the calculator provided. Round your responses to at least three decimal places. p(Z > 0.53)- Plz <-0.67) P (0.48 < Z < 1.94)- 0
1. Given that z is a standard normal random variable, compute the following probabilities. a. P(Z...
1. Given that z is a standard normal random variable, compute the following probabilities. a. P(Z < 1.38) b. P(z 2 1.32) c. P(-1.23 Sz5 1.23)
Find the following probabilities based on the standard normal variable Z (Round your answers to 4...
Find the following probabilities based on the standard normal variable Z (Round your answers to 4 decimal places.) a. P(Z> 1.04) b. P(Zs -1.74) c. P(O s Z s 1.81) d. P(-0.81 s Zs 2.66)
Find a value of a standard normal random variable Z (call it z0) such that (a)...
Find a value of a standard normal random variable Z (call it z0) such that (a) P(Z ?20) .30 (b) P(Z> z)16 (c) P(-20< Z<20).90
Let Z be a standard normal random variable. Calculate the following probabilities using the calculator provided
Let Z be a standard normal random variable. Calculate the following probabilities using the calculator provided. Round your responses to at least three decimal places.
Let Z be a standard normal random variable. Calculate the following probabilities using the calculator provided
Let Z be a standard normal random variable. Calculate the following probabilities using the calculator provided. Round your responses to at least three decimal places.
please explain these throughly!!! Thank you so much! Let Z be a standard normal random variable....
please explain these throughly!!! Thank you so much!
Let Z be a standard normal random variable. Use the calculator provided, or this table, to determine the value of c. P(0.86 <2<c)=0.1737 Carry your intermediate computations to at least four decimal places. Round your answer to two decimal places. Tx 5 ? Suppose that pulse rates among healthy adults are normally distributed with a mean of 79 beats/minute and a standard deviation of 8 beats/minute. What proportion of healthy adults have...
Find the following z values for the standard normal variable Z. (You may find it useful...
Find the following z values for the standard normal variable Z. (You may find it useful to reference the z table. Negative values should be indicated by a minus sign. Round your answers to 2 decimal places.) a. P(Z s z) 0.9474 b. P(Z> z)-0.7103 с. d. P(OsZsz) 0.2507
Let Z be a standard normal random variable. Use the calculator provided, or this table, to...
Let Z be a standard normal random variable. Use the calculator provided, or this table, to determine the value of c. P(-csz<c)=0.9426 Carry your intermediate computations to at least four decimal places. Round your answer to two decimal places. x 3 ? Let Z be a standard normal random variable. Use the calculator provided, or this table, to determine the value of c. P(0.55 <<c) -0.2624 Carry your intermediate computations to at least four decimal places. Round your answer to...
A) 0.7995 11. If Z is a standard normal variable find the probabilities of a) P(Z...
A) 0.7995 11. If Z is a standard normal variable find the probabilities of a) P(Z <-0.35)- @w B) 0.3982 C) 1.2008 D) p.4013 (2 points) b) P(0.25s Z<1.55) (3 points) c) P(Z > 1.55) (2 points) 12. Assume that X has a normal distribution with mean deviation .5. Find the following probabilities: 15 and the standard a) P(X < 13.50)- 3 points). b) P (13.25 <X < 16.50)- (5 points). B) 0 2706 C0 5412 D) 1.0824 A mountuin...
Let Z be a standard normal
random variable. Calculate the following probabilities using the
calculator provided. Round your responses to at least three decimal
places.
Let Z be a standard normal random variable. Calculate the following probabilities using the calculator provided. Round your responses to at least three decimal places. p(Z > 0.53)- Plz <-0.67) P (0.48 < Z < 1.94)- 0
1. Given that z is a standard normal random variable, compute the following probabilities. a. P(Z < 1.38) b. P(z 2 1.32) c. P(-1.23 Sz5 1.23)
Find the following probabilities based on the standard normal variable Z (Round your answers to 4 decimal places.) a. P(Z> 1.04) b. P(Zs -1.74) c. P(O s Z s 1.81) d. P(-0.81 s Zs 2.66)
Find a value of a standard normal random variable Z (call it z0) such that (a) P(Z ?20) .30 (b) P(Z> z)16 (c) P(-20< Z<20).90
please explain these throughly!!! Thank you so much!
Let Z be a standard normal random variable. Use the calculator provided, or this table, to determine the value of c. P(0.86 <2<c)=0.1737 Carry your intermediate computations to at least four decimal places. Round your answer to two decimal places. Tx 5 ? Suppose that pulse rates among healthy adults are normally distributed with a mean of 79 beats/minute and a standard deviation of 8 beats/minute. What proportion of healthy adults have...
Find the following z values for the standard normal variable Z. (You may find it useful to reference the z table. Negative values should be indicated by a minus sign. Round your answers to 2 decimal places.) a. P(Z s z) 0.9474 b. P(Z> z)-0.7103 с. d. P(OsZsz) 0.2507
Let Z be a standard normal random variable. Use the calculator provided, or this table, to determine the value of c. P(-csz<c)=0.9426 Carry your intermediate computations to at least four decimal places. Round your answer to two decimal places. x 3 ? Let Z be a standard normal random variable. Use the calculator provided, or this table, to determine the value of c. P(0.55 <<c) -0.2624 Carry your intermediate computations to at least four decimal places. Round your answer to...
A) 0.7995 11. If Z is a standard normal variable find the probabilities of a) P(Z <-0.35)- @w B) 0.3982 C) 1.2008 D) p.4013 (2 points) b) P(0.25s Z<1.55) (3 points) c) P(Z > 1.55) (2 points) 12. Assume that X has a normal distribution with mean deviation .5. Find the following probabilities: 15 and the standard a) P(X < 13.50)- 3 points). b) P (13.25 <X < 16.50)- (5 points). B) 0 2706 C0 5412 D) 1.0824 A mountuin...
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