A distribution of values is normal with a mean of 58.7 and a
standard deviation of 48.9.
Find the probability that a randomly selected value is less than
48.9.
P(X < 48.9) =
A distribution of values is normal with a mean of 58.7 and a standard deviation of...
A distribution of values is normal with a mean of 59.6 and a standard deviation of 91.1. Find the probability that a randomly selected value is between -95.3 and 232.7. P(-95.3 < X < 232.7) =
A population of values has a normal distribution with mean=155.9 and standard deviation=42.1. You intend to draw a random sample of size=12. Find the probability that a single randomly selected value is less than 172.9. P(X<172.9). Find the probability that a sample of size=12 is randomly selected with a mean less than 172.9. P(M<172.9). Enter your answers as numbers accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
Question 22 A distribution of values is normal with a mean of 28.8 and a standard deviation of 20.8. Find the probability that a randomly selected value is greater than -31.5. P(X > -31.5) - Enter your answer as a number accurate to 4 decimal places. Submit Question Question 23 A distribution of values is normal with a mean of 71.9 and a standard deviation of 68. Find the probability that a randomly selected value is between - 138.9 and...
A distribution of values is normal with a mean of 238 and a standard deviation of 93.7. Find the probability that a randomly selected value is between 219.3 and 481.6. P(219.3<x< 481.6) = Enter your answer as a number accurate to 4 decimal places. Answers obtained using exact z-scores or z-scores rounded to 3 decimal places are accepted.
population values has normal distribution with mean of 212.5 and standard deviation of 4.8. we get random sample of 40. a) find probability that a single value is greater than 200.3 b) find probability that a sample size n=40 randomly selected is greater than 200.3 sorry SD 4.8
1. A population of values has a normal distribution with μ=182.1 and σ=28.9. You intend to draw a random sample of size n=117. A. Find the probability that a single randomly selected value is less than 187.7. P(X < 187.7) = B. Find the probability that a sample of size n=117is randomly selected with a mean less than 187.7. P(¯x < 187.7) = 2. CNNBC recently reported that the mean annual cost of auto insurance is 1045 dollars. Assume the...
Consider a normal distribution with mean 25 and standard
deviation 5. What is the probability a value selected at random
from this distribution is greater than 25? (Round your answer to
two decimal places.)
Assume that x has a normal distribution with the specified
mean and standard deviation. Find the indicated probability. (Round
your answer to four decimal places.)
μ = 14.9; σ = 3.5
P(10 ≤ x ≤ 26) =
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Assume that x has a...
a. Consider a normal distribution with mean 20 and standard deviation 4. What is the probability a value selected at random from this distribution is greater than 20? (Round your answer to two decimal places. b. Assume that x has a normal distribution with the specified mean and standard deviation. Find the indicated probability. (Round your answer to four decimal places.) μ = 14.3; σ = 3.5 P(10 ≤ x ≤ 26) = c. Assume that x has a normal...
6. A normal distribution of has a mean of 20 and a standard deviation of 10. Find the z-scores corresponding to each of the following values: (10 points) a) What is the z score for a value of 30? b) What is the z score for a value of 10? c) What is the z score for a value of 15? d) What it P(20<x<30)? e) What is P (x > 10)? ) What is P (x < 15)? g)...
1. Giving a normal distribution with mean mu=35 and standard deviation sigma = 10 where the probability that x is less than x0 is p0 = 0.95 what is the value for x0. 2.Giving a normal distribution with mean mu=35 and standard deviation sigma =10 where the probability that x is greater than x0 is 0.10. 3. Giving a normal distribution with mean mu=40 and standard deviation sigma = 10 where the probability that x0<x<x1 = 0.9. What is the...