Given a normally distributed variable X with mean 80 and standard deviation 5, what is the value of m such that P (0 < x < m) = 0.3340? a. 0.97 b. 78 c. -0.43 d. 85

Q: For a population with a mean of u=40 and a standard deviation of σ=8, find the z-score corresponding…

A:

Q: For a population with a standard deviation of o=20 find the z score for each of the following…

A: Solution Where,

Q: for a population with a mean of u=72 and a standard deviation of σ=10, what is the standard error of…

A: Given,mean(μ)=72standard deviation(σ)=10

Q: Suppose a nomal distribution has a mean of 50 and a standard deviation of 3. What is Aes 47y OA 0.16…

A: Given that a normal distribution has a mean of 50 and a standard deviation of 3. That means μ=50 and…

Q: At what sample size would the standard deviation of the distribution of all possible sample means be…

A:

Q: In determining automobile mileage ratings, it was found that the mpg (X) for a certain model is…

A: a. The Z-score of a random variable X is defined as follows: Z = (X – µ)/σ. Here, µ and σ are the…

Q: A random sample of 40 students has a mean annual earnings of $3120 and assume that the population…

A: The margin of Error (MoR): It is the Range of values that has the sample statistics in the…

Q: A sample of size 7 has a standard deviation of 12 , and another sample of size 2 has a standard…

A:

Q: 1. The mean height of the students in Grade 1 section Newton is 125 cm and the standard deviation is…

A: Given, Let X be height of students X~Normal(μ,σ2)μ=125 cmσ=3.5 cm

Q: For a population with mean of 50 and standard deviation of 8, what is the Z-score that corresponds…

A:

Q: A distribution of integer scores is approximately normally distributed with a mean of 147 and a…

A: It was stated that a distribution of integer scores is approximately normally distributed. The mean…

Q: given the normally distributed variable xwith the mean 50 and standard deviation 7, find p (56]x[68)

A: Given: μ=50 and σ=7. The z-score is calculated as-z=x-μσ

Q: Select the most appropriate graph. If X is a normal random variable with a mean of 20 and standard…

A: Mean=20 Standard deviation=2

Q: c) If X is normally distributed with mean 5 and standard deviation 2, find P(X >8).

A: Given: μ=mean=5σ=standard deviation=2x=data point=8 The formula and calculation of z-score: z=x-μσ…

Q: for a population with a standard deviation of o=20 find the z-score for each of the following…

A:

Q: The results of a calculus exam are normally distributed with a mean of 76 and a standard deviation…

A: Obtain the Z-score for the random variable that X equals 70. The Z-score for the random variable…

Q: At what sample size would the standard deviation of the distribution of all possible sample means be…

A: We have given that,  We have to choose sample size when population standard deviation and sample…

Q: For a normal distribution with a mean of μ = 10 and a standard deviation of σ = 2, what is p(5<X<15)

A: It is given that X follows N(mean = 10, SD = 2), then Z = (X - mean)/SD follows N(0,1)

Q: For a population with a mean of u=40 and a standard deviation of o=6, find the z-score corresponding…

A:

Q: The results of a calculus exam are normally distributed with a mean of 76 and a standard deviation…

A:

Q: If x is normally distributed with a mean of 6 and a standard deviation of 4, find P(x>8) a. 0.1915…

A: If x is normally distributed with a mean of 6 and a stnadard deviation of 4, find Px&gt;8 Answer: b.…

Q: Find P(X>37)

A: Let x is defined as the miles per gallon(mpg) which follows normal distribution with mean 35 mpg and…

Q: Given a population where p = 0.10, find the standard deviation of the samping distribution when n =…

A: It is given that p is 0.10 and n is 2,000.

Q: Given data that is normally distributed and has a mean of 5.6 and a standard deviation of 1.2, what…

A: Given that, μ=5.6,σ=1.2x=6.1 The formula for calculating the z-value for a x-value is,

Q: Given the normally distributed variable X with mean 18 and standard deviation 3, find P (X s 15)

A:

Q: Suppose X is normally distributed with mean 5. If P(X <3) = 0.3015 what is the standard deviation of…

A: According to the given information, we have Mean = 5 P-value = 0.3015

Q: If W is a normally distributed with the mean of 225, find the standard deviation, given that P(X <…

A: Given data: Mean  = 225 find: Standard deviation

Q: A given set of data has an average of 25, and standard deviation of 5. Use this information to…

A: From the provided information, Average (µ) = 25 Standard deviation (σ) = 5 X~N (25, 5)

Q: For a population with a standard deviation of  sigma =12, a score of x=44 corresponds to z= -0.5.50.…

A: It is given that sigma is 12 and score, x is 44. Assuming that the z-score is –0.550. (Since it is…

Q: Given a normally distributed variable X with mean 18 and standard deviation 2.5, find: (a)…

A: Obtain the probability that X is less than 5. The probability that X is less than 5 is obtained…

Q: For a population with a mean of μ = 28 and a standard deviation of σ = 12, find the z-score…

A:

Q: normally distributed with a medh of 50 and a standard deviation of 10 then the 85th percentile of…

A: From the provided information, Mean (µ) = 50 Standard deviation (σ) = 10 X~N (50, 10) Here X be a…

Q: E (T; – T)² = 2535. in

A: Here's the explanation :- The standard deviation is a measure of the amount of variation or…

Q: Suppose a normal distribution has a mean of 50 and a standard deviation of 3. What is P(x≤ 47)? OA.…

A:

Q: For a population with a mean of u = 45 and a stan- dard deviation of o = 10, what is the standard…

A: It is given that the mean is 45 and the standard deviation is 10.

Q: For a population with a population mean = 60 and a standard deviation = 9, find the z-score for each…

A:

Q: Given that x is a normally distributed variable with mean equal to 40 and standard deviation equal…

A: P(x ≤ 45) = 0.8413

Q: For a population with a mean of 40 and a standard deviation of 8 find the z score corresponding to…

A: a. The population mean is 40 and a standard deviation is 8. The z-score of x=34 for a sample of n=1…

Q: Given a normally distributed variable x with mean 10.5, standard deviation of 7, find the value of x…

A:

Q: In determining automobile mileage ratings, it was found that the mpg (X) for a certain model is…

A: The random variable is x. It follows standard normal distribution. The population mean is 34 mpg.…

Q: The results of a calculus exam are normally distributed with a mean of 76 and a standard deviation…

A:

Q: For a population with a mean of μ= 40 and a standard deviation of σ= 6, find the z-score…

A: From the provided information, Population mean (µ) = 40 Standard deviation (σ) = 6 a) Sample size…

Q: For a population with a mean of mu=72 and a standard deviation of sigma= 10, what is the standard…

A:

Q: In a population with m=60, a score of X=58 corresponds to a z-score of z=-0.50. What is the…

A:

Q: 1. Given a population with mean M= 60, which of the following values for the population standard…

A: Calculate the Z-score corresponding X = 68 using the formula.

Q: For a population with mean of 50 and standard deviation of 8, what is the z-score that corresponds…

A: Given that , mean = μ = 50 standard deviation = σ = 8 x = 46

Q: For a population with a standard deviation of o = 5, find the z-scores for the locations of 20…

A: For a population with a standard deviation of σ = 5.

Q: If X is normally distributed with mean of 100 and standard deviation of 10. What is the P(70<X<130)?…

A: We have fine givan normal distribution..

Q: Consider a sample with a mean of 30 and a standard deviation of 5. Use Chebyshev's theorem to…

A: As per our guidelines we can solve first three subpart and rest can be reposted. Solution-: Given:…