Find the area under standard normal distribution curve of more than z=-2

Q: Find the z-scores having an area of  0.7456 between them in a standard normal distribution

A: We have to find the z scores such that  P(-z < Z < z) = 0.7456

Q: Consider the normal distribution with mean 60 and standard deviation 5. Find the area under the…

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Q: Which proportion of a normal distribution is located between z = 0 and z = +1.50?

A: Solution: Here, it is needed to find the proportion of a normal distribution is located between z=0…

Q: The mean in standard normal distribution coincides with z=1. True False

A: It is needed to discuss about the standard normal distribution.

Q: About ____% of the area under the curve of the standard normal distribution is between…

A: The random variable (z) follows standard normal variable with mean 0 and standard deviation 1. The…

Q: x~e^. ofY=3x+2 and Z= X/4 Find the distratoution

A: Solution

Q: Why not use z-test for approximate normal distribution that n>30?

A: We have given thatMean(µ) = 67300Sample size (n) = 36Sample mean (x̅) = 6500Standard deviations (s)…

Q: true or false and justify  any variable can be transformed to the standard normal distribution

A: Adding or subtracting a value from a random variable (or set of samples) will shift the…

Q: find out the z score shaded area  for standard normal curveby using z score table left of z score…

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Q: Find the proportion of observation from a normal distribution N(0,1) that satisfies z>-0.52.

A: Given: the proportion of observation from a normal distribution N(0,1) that satisfies z>-0.52

Q: According to the empirical rule, approximately what percentage of the area under a normal…

A: The empirical rule, also referred to as the three sigma rule or 68-95-99.7 rule, Empirical rule is…

Q: 1. -0.95<z < 1.03 2. Z < 3.99 3. z < 4

A: standard normal distribution Z~N(0,1) (a) P(-0.95&lt;z&lt;1.03) = ? (b) P(z&lt;3.99) = ? (c)…

Q: Consider the normal distribution with mean 67 and standard deviation 20. Find the area under the…

A: GivenMean(μ)=67standard deviation(σ)=20

Q: What percentage of a normal distribution falls above a z score of -0.70? Type in your percentage and…

A: percentage of a normal distribution falls above a z-score of -0.70z-score=-0.70

Q: The compressive strength of samples of cement is normally distributed with a mean and standard…

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Q: What proportion of the data from a standard normal distribution has a value between 0.26 and 0.95?…

A: Normal distribution is a continuous distribution which has many real life applications. Normal curve…

Q: Consider the normal distribution with mean 68 and standard deviation 10. Find the area under the…

A: We want to find area under the normal curve in the given interval.

Q: % of the area under the curve of the standard normal distribution is outside the interval About z =…

A: Here is given that z standard normal distribution intervals (-1.11,1.11).

Q: Do continuous distributions have a mode? Can you find the mode of the normal distribution?

A: Introduction  From the above question we have to show does the continuous distributions have a mode…

Q: Can we find the area of the standard normal distribution using calculators only? If yes, How?

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Q: The weight of a random person is normally distributed, with a mean of 62 kg and variance of 15 kg2.…

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Q: Find the proportion of observations from a standard normal distribution N(0,1) that satisfies…

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Q: tion x = 58 f

A: A statistical tool known as a z score can be used to estimate how far a raw score is from a mean of…

Q: For normal distribution with a mean of 4 and a standard deviation of 2, the value 5 has a z value of…

A: Mean, μ = 4 Standard deviation, σ = 2 Raw score, X = 5

Q: According to Standard Normal Distribution, What is the Z-value if the area between -Z and Z is 0.7?…

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Q: normal distribution has µ=80 standard deviation of 10. what is probability of randomly selecting a…

A: Given:  Calculate the corresponding Z score as follows: The probability of randomly selecting a…

Q: Find the value of b for the standard normal distribution P(Z<b)=0.7986 Round b to 2 decimal places.

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Q: What proportion of the data from a standard normal distribution has a value between 0.13 and 0.63?…

A: GivenThe value between 0.13 and 0.63 is

Q: Find the = value to the left of the mean so that 99.27% of the area under the distribution curve…

A: Find  Z value P(Z&lt;z)=99.27%

Q: Given a normal distribution with m = 82 and s^2 = 36, find the probability that X assumes a value…

A: Given that X follows N(mean = 82, SD = 6), then Z = (X - mean)/SD follows N(0,1)

Q: Define multivariate normal asymptotic distribution?

A: Standard or Gaussian distribution is one of the most common distributions in statistics. It has two…

Q: If Z follows standard normal distribution, then the mean of Z equals

A: The objective is to find the value of mean if z follows standard normal distribution.

Q: What percent of the area under a normal curve is within 2 standard deviations? *

A: Area under two standard deviations of a normal curve is given by

Q: About % of the area under the curve of the standard normal distribution (μ=0μ=0 and σ=1σ=1) is…

A: From the above data 38.43% of the area under the curve of the standard normal distribution (μ=0μ=0…

Q: the right of the z value is

A: Use the standard normal table or Ti 83 to find the area to the right tail of the normal curve…

Q: Consider the normal distribution with mean 52 and standard deviation 20. Find the area under the…

A: mean = 52 sigma = 20

Q: Given a normal distribution with m = 83 and s^2 = 16, find the probability that X ... assumes a…

A: GivenMean(m)=83Variance(s2)=16standard deviation(s)=16=4

Q: What is the cumulative area under the standard normal curve between z- score -1 and z-score 1 ?

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Q: What percentage of the area under the normal curve is within +/-1, +/-2, and +/-3 standard…

A: Let Z be the random variable from standard normal distribution with mean = 0 and standard deviation…

Q: The t-distribution curves have fatter tails than the Normal distribution curves for small sample…

A: The t-distribution curves have fatter tails than the Normal distribution curves for small sample…

Q: The concentration by volume  of methane is at a point on center line of jet of natural gas mixing…

A: It is given that concentration by volume  of methane is at a point on center line of jet of natural…

Q: n with u = 30 and o = 6, find the value of x that has *70% of the normal curve area to the right

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