3 ) Solution :
P(Z -1.7)
To see the z value -1.7 in the column and 0.00 in the row of the standard
normal table the corresponding probability is 0.0446 .
P(Z -1.7) = 0.0446
3. 04 points 1 Previous Anwers UHStat5 8.E Find the following probabilities for a standard normal...
2. Given that z is a standard normal random variable, compute the following probabilities. P(-1 ≤ z ≤ 0) (Round to four decimal places) Answer P(-1.5 ≤ z ≤ 0) (Round to four decimal places) Answer P(-2 < z < 0) (Round to four decimal places) Answer P(-2.5 < z < 0) (Round to four decimal places) Answer P(-3 ≤ z ≤ 0) (Round to four decimal places) 3. Given that z is a standard normal random variable, compute the...
Find the following probabilities based on the standard normal variable Z. (You may find it useful to reference the z table. Leave no cells blank - be certain to enter "0" wherever required. Round your answers to 4 decimal places.) Find the following probabilities based on the standard normal variable Z. (You may find it useful to reference the z table. Leave no cells blank - be certain to enter "O" wherever required. Round your answers to 4 decimal places.)...
given that z is a standard normal variable, compute the following probabilities You may need to use the appropriate appendix table or technology to answer this question. Given that z is a standard normal random variable, compute the following probabilities. (Round your answers to four decimal places.) (a) P(Z S -1.0) (b) P(Z > -1) (c) P(Z 2 -1.4) (d) PC-2.6 52) (e) P(-3 CZSO)
Find the value 2* that satisfies each of the following probabilities for a standard normal random variable Z. (Round your answers to two decimal places.) (a) P(Z sz*) - 0.0485 (b) PIZ sz*) = 0.9515 (c) P(-x* SZ SZ") - 0.903
Find the following probabilities for the standard normal random variable Z: (Give answers to four decimal places.) a) P(Z ≤ 2.1) b) P(Z ≥ 2.1) c) P(Z ≥ -1.65) d) P(-2.13 ≤ Z ≤ -.41) e) P(-1.45≤ Z ≤ 2.15) f) P(Z ≤ -1.43)
Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four dec places.) # 39; 0 = 14 P(50 SXS 70) - Need Help? Read 13. 0-M1 points BBUnder Stat12 6.3.013 My Notes Ask You Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four de places.) - 115; 0 = 15 P(x 2 90)...
Problem 3-21 (Algorithmic) For the standard normal random variable z, compute the following probabilities (if required, round your answers to four decimal places): P (0 ≤ z ≤ 0.88) = P (-1.51 ≤ z ≤ 0) = P (z > 0.43) = P (z ≥ -0.24) = P (z < 1.80) = P (z ≤ -0.78) =
1) Let Z be the standard normal variable. Find the values of z if z satisfies the given probabilities. (Round your answers to two decimal places.) (a) P(Z > z) = 0.9706 z = ? P(−z < Z < z) = 0.8164 z = ? 2) Suppose X is a normal random variable with μ = 350 and σ = 20. Find the values of the following probabilities. (Round your answers to four decimal places.) (a) P(X < 405) = (b) P(370...
5. 1/1 points Previous Answers MendStat15 6.2.025. Les z be a standard normal random variable with mean and standard deviation - 1. Find the percentile. (Round your answer to two decimal places.) 20.15 or the 85th percentile You may need to use the appropriate appendix table or technology to answer this question. Need Help? Read Woh Talk to a Tuter Viewing Seved Work Ravert to Last Response 6. 0/1 points Previous Answers MendStat15 6.2.039. and standard deviation a specified below....
Find z such that 7% of the area under the standard normal curve lies to the right of z. (Round your answer to two decimal places.) My Notes Ask Your Find z such that 56% of the standard normal curve lies between-z and z. (Round your answer to two decimal places.) My Notes Ask Your The Customer Service Center in a large New York department store has determined that the amount of time spent with a customer about a complaint...