Given that X is normally distributed with μ = 304.6 and σ = 13.2, find the...
Given that X is normally distributed with μ = 304.6 and σ = 13.2, find the probability that X is less than 320.4, given that we know that X is larger than 292.4. State your answer rounded to 3 places of decimal.
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Given that X is normally distributed
with μ = 304.6 and σ =
13.2, find the...
A population is normally distributed with μ = 200 and σ = 20. a. Find the...
A population is normally distributed with μ = 200 and σ = 20. a. Find the probability that a value randomly selected from this population will have a value greater than 250. P(x > 250) = ______ . (Round to four decimal places as needed.) b. Find the probability that a value randomly selected from this population will have a value less than 185. P(x < 185) = ______ . (Round to four decimal places as needed.) c. Find the...
A population is normally distributed with μ = 200 and σ = 20. a. Find the...
A population is normally distributed with μ = 200 and σ = 20. a. Find the probability that a value randomly selected from this population will have a value greater than 250. P(x > 250) = ______ . (Round to four decimal places as needed.) b. Find the probability that a value randomly selected from this population will have a value less than 185. P(x < 185) = ______ . (Round to four decimal places as needed.) c. Find the...
Suppose a population of scores x is normally distributed with μ = 150 and σ =...
Suppose a population of scores x is normally distributed with μ = 150 and σ = 12. Use the standard normal distribution to find the probability indicated. (Round your answer to four decimal places.) Pr(x > 180)
Assume that women's heights are normally distributed with a mean given by μ-63.4 in, and a...
Assume that women's heights are normally distributed with a mean given by μ-63.4 in, and a standard deviation given by σ= 1.8 in (a) If 1 woman is randomly selected, find the probability that her height is less than 64 in (b) If 33 women are randomly selected, find the probability that they have a mean height less than 64 in. (a) (Round to four decimal places as needed.) (a) The probability is approximately (b) The probability is approximately (Round...
Assume that adults have IQ scores that are normally distributed with a mean of μ=100 and...
Assume that adults have IQ scores that are normally distributed with a mean of μ=100 and a standard deviation σ=20. Find the probability that a randomly selected adult has an IQ less than 120. The probability that a randomly selected adult has an IQ less than 120 is____? (Type an integer or decimal rounded to four decimal places as needed.)
Assume the random variable x is normally distributed with mean μ=82 and standard deviation σ=44. Find...
Assume the random variable x is normally distributed with mean μ=82 and standard deviation σ=44. Find the indicated probability. P(x<79 ) P(xl<79 )=______ (Round to four decimal places as needed.)
that adults have la scores that are normally distributed with a mean of μ-105 and a...
that adults have la scores that are normally distributed with a mean of μ-105 and a standard deviation σ 15 Find the probability that a random y selected adult has an IQ less than 129. Click The probability that a randomly selected adult has an IQ less than 129 is Type an integer or decimal rounded to four decimal places as needed) 1 of the table Click to view page 2 of the table.
Assume that adults have IQ scores that are normally distributed with a mean of μ-100 and...
Assume that adults have IQ scores that are normally distributed with a mean of μ-100 and a standard deviation σ-20. Find the probability that a randomly selected adult has an IQ less than 124 Click to view page 1 of the table. Click to view page 2 of the table The probability that a randomly selected adult has an IQ less than 124 is Type an integer or decimal rounded to four decimal places as needed.)
Let X be normally distributed with mean μ = 10 and standard deviation σ = 6....
Let X be normally distributed with mean μ = 10 and standard deviation σ = 6. What is P(X = 10)? Provide 4 decimal places in your answer.
A population is normally distributed with μ=200 and σ=25. a. Find the probability that a value...
A population is normally distributed with μ=200 and σ=25. a. Find the probability that a value randomly selected from this population will have a value greater than 245. b. Find the probability that a value randomly selected from this population will have a value less than 190. c. Find the probability that a value randomly selected from this population will have a value between 190 and 245.
Assume that women's heights are normally distributed with a mean given by μ-63.4 in, and a standard deviation given by σ= 1.8 in (a) If 1 woman is randomly selected, find the probability that her height is less than 64 in (b) If 33 women are randomly selected, find the probability that they have a mean height less than 64 in. (a) (Round to four decimal places as needed.) (a) The probability is approximately (b) The probability is approximately (Round...
that adults have la scores that are normally distributed with a mean of μ-105 and a standard deviation σ 15 Find the probability that a random y selected adult has an IQ less than 129. Click The probability that a randomly selected adult has an IQ less than 129 is Type an integer or decimal rounded to four decimal places as needed) 1 of the table Click to view page 2 of the table.
Assume that adults have IQ scores that are normally distributed with a mean of μ-100 and a standard deviation σ-20. Find the probability that a randomly selected adult has an IQ less than 124 Click to view page 1 of the table. Click to view page 2 of the table The probability that a randomly selected adult has an IQ less than 124 is Type an integer or decimal rounded to four decimal places as needed.)
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