Find the given probabilities for the following. Round to TWO decimal places. P( Z< 2.02) P(Z>...
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. Use drawings to assist when necessary. Round all probabilities to 4 decimal places. P(z > 1.94) P(z < -2.16) P(-0.75 < z < 1.86)
For a standard normal distribution, find: P(z > c) = 0.7211 (Round to two decimal places.) C=
Use the Standard Normal table to find the following probabilities. (Keep probabilities at 4 decimal places.) P(-1.49< z < 2.04) =
Use the z-table to find the requested probabilities. Enter your answers to 4 decimal places. P(−2.79 < z < 1.12)
Find P(Z < 1.3). Round your answer to 4 decimal places.
QUESTION 11 Find P(1.21szs1.37) (Round your answer to four decimal places ) QUESTION 12 Find Pz-1.61) (Round your answer to four decimal places) QUESTION 13 Assume that x is a normally distributed random variable with a mean of 70 and a standard deviation of 10 Find (x70) Find P(70kxx82) Find P(67x<93) Find (x<48) A 0.0139 B.0.3849 C. 0.6072 D. 0.5000 QUESTION 14 Calculate the z-score of the sample mean x bar, given that 515; when ?: 38, 3.m# 60 and...
For a standard normal distribution, find: P(z > -2.52) (round to 3 decimal places) For a standard normal distribution, find: P(-2.56 < z < -2.52) (round to 3 decimal places) For a standard normal distribution, find: P(z > c) = 0.2726 Find c. (round to 2 decimal places) A manufacturer knows that their items have a normally distributed lifespan, with a mean of 5.3 years, and standard deviation of 1.7 years. If you randomly purchase one item, what is the probability it...
If z is a standard normal variable, find P(Z >0.97). Round to four decimal places. A. 0.1660 B. 0.8340 C. 0.1922 D. 0.1685
Given the quiz below, find the probabilities that follow. Round answers to four decimal places. 1, А В С 2, A B C 3. ABC 4. A B C 5. A B C Find the probability of getting 2 questions right.