Find the area of each: Greater than z = -1.6. type your answer... Less than 85 with a mean of 125 and standard deviation of 25. type your answer... Greater than 34 for N(32, 3) % type your answer... % %

Q: Find t0.95t0.95 for TT distribution with 2020 degrees of freedom. t0.95=t0.95= (Round the answer to…

A: The given degrees of freedom is 20 and area is 0.95.

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: given data, normal distribution , μ=100σ=15we have to find out the shaded region for the given…

Q: Find the z-scores for which 95% of the distribution's area lies between -z and z. O-0.96 0.95 O…

A: The area between two boundaries is 95%. In, the remaining percentage 5% (=100%–95%) area, 2.5% area…

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A:

Q: Area =

A: Given : Area = 0.1314 We have to find the Z-score

Q: Calculate the sample standard deviation for this data set: 65, 48, 70. The formula for the sample…

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Q: The amount of trash generated by US households (in lbs per day) is Normally distributed. You take a…

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Q: ount of time an individual spends completing tax forms is 7.9 hours. Data: x¯=8.3 hr,s=2.1 hr,

A: As the population standard deviation is not known, we will use t distribution.

Q: Find the margin of error for the given values of​ c, s, and n.   c=0.98​, s=3.1​, n=25   LOADING...…

A: Solution: From the given information c=0.98, s=3.1 and n=25.

Q: A vertical line drawn through a normal distribution at z = -0.60 separates the distribution into two…

A: A standard normal variable z follows normal distribution with mean 0 and standard deviation 1.

Q: Find the z-score that has 66.6% of the distribution's area to its right. ..... The z-score is.…

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Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: normal distribution μ = 100σ = 15 P(85<x<110) = ?

Q: Use the z-score formula, z = , and the information below to find the mean, μ. Round your answer to…

A: Givenz-score(z)=3.75x=19.6standard deviation(σ)=1.2

Q: Let x=70 be an element in a distribution with mean 65 and standard deviation 5. Which ones of the…

A: A normal distribution is a continuous distribution which has many real life applications. A standard…

Q: Find the area of the shaded region. The graph depicts the standard normal distribution of bone…

A: From the provided information, Mean (µ) = 0 Standard deviation (σ) = 1 The shaded area is to the…

Q: se the z-score formula, z=x−μ/σ, and the information below to find the mean, μ. Round your answer to…

A: z score =x-μσZ=3.25x=22.1σ=2.4x=?

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of​ adults, and those…

A: We have,  IQ scores are normally distributed with mean(mu) =100 ans and standard deviation (sigma) =…

Q: Use the z- score formula, z= x−μ/σ , and the information below to find the mean, μ. Round your…

A: The summary data is given. This is one sample z-test. We have to find the population mean.

Q: For the data set: 0.09, 0.10, 0.11, 0.13, 0.09, 0.11, 0.10, 0.07 To obtain information of the…

A: According to the given information in this question We need to find the standard deviation

Q: Find the area of the shaded region. The graph to the right depicts IQ scores of adults, and those…

A: Step 1:Given that :mean(μ)=100Standard deviation(σ)=15Let X is the IQ score of adults .We want the…

Q: Which of the following is the statistical symbol for population standard deviation?

A: The standard deviation tells us about the spread of the data points from the mean value. The…

Q: Find the z-scores for which 90% of the distribution's area lies between -z and z. 0 0.9 O -0.645 O…

A: Solution: Here, it is needed to calculate the value of z.

Q: stimate the absolute standard deviation and the coefficient of variation for the results of the…

A: Given that the value of y is split into two halves. y=1.09±0.02×10-8-3.6±0.2×10-9 One needs to find…

Q: You randomly select and weigh 12 samples of an allergy medicine. Assume the weights are normally…

A: Given that n =12, t0.99 = ?

Q: Use the z-score formula, and the information below to find the mean, μ. Round your answer to one…

A: We know that z=x-μσ Given z=1.25, x=24.2 and σ=5.2 ⇒z=x-μσ⇒μ=x-zσ⇒μ=24.2-1.255.2        =17.7

Q: Find t0.69t0.69 for TT distribution with 8282 degrees of freedom. t0.69=t0.69= (Round the answer to…

A: We need to find t0.69 for T distribution with 82 degrees of freedom.

Q: The amount of trash generated by US households (in lbs per day) is normally distributed. You take a…

A: Sample mean = x̅ = 10.91 Sample size = n = 10 Sample S.D = s = 4.736 Standard Error = s/√n  =…

Q: Find the P-value (to 4 decimals) for a x test with d. f. = 10 and STS x = 13 if the test is: %3D a.…

A: The degrees of freedom are d.f = 10 And the value of test statistic is = 13

Q: Derive mean of gamma distribution.

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Q: 2. Find the following z-scores: a. Za10 b. Z.975 c. Z,005 0.005 d. Zs Zo30 "0.80 "0.30

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Q: Find the interval of z-values associated with each area. a. The middle 75% of the data. b. The top…

A: a) The z-values can be computed as: P ( -z < Z < z) = 75% P (Z < z) - P(Z <-z ) = 0.75…

Q: Use the z-score formula, z=x−μ/σ, and the information below to find the mean, μ. Round your answer…

A: Solution: z  = 4.75        z score  x =  22.7     raw score  σ=1.6    Population standard deviation…