A population is normally distributed with mean 43.2 and standard deviation 5.7. Find the following probabilities. (Round your answers to four decimal places.)
(a) p(43.2 < x < 48.9)
(b) p(41.4 < x < 44.6)
(c) p(x < 50.0)
(d) p(33.8 < x < 52.6)
(e) p(x = 45.8)
(f) p(x > 45.8)
A population is normally distributed with mean 43.2 and standard deviation 5.7. Find the following probabilities....
A population is normally distributed with mean 36.3 and standard deviation 0.5. Find the following probability. (Round your answer to four decimal places.) p( 36.3 < x < 36.8 )
A normally distributed population has a mean of 475 and a standard deviation of 48. a. Determine the probability that a random sample of size 9 selected from this population will have a sample mean less than 451. b. Determine the probability that a random sample of size 16 selected from the population will have a sample mean greater than or equal to 498. a. P(X<451) = (Round to four decimal places as needed.) b. P(X2498) = 1 (Round to...
Assume the random variable x is normally distributed with mean y = 50 and standard deviation o=7. Find the indicated probability P(x > 40) P(x >40) - (Round to four decimal places as needed.) Assume the random variable x is normally distributed with mean = 88 and standard deviation o = 4. Find the indicated probability P(76<x<85) P(76<x<85)= (Round to four decimal places as needed.) Assume a member is selected at random from the population represented by the graph. Find...
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Assume the random variable x is normally distributed with mean u50 and standard deviation a= 7. Find the indicated probability P(x> 40) P(x > 40)= (Round to four decimal places as needed.)
I.Q.s in the population are normally distributed with a mean = 100 and a standard deviation =15. Find the Z-score (two decimal places) for an I.Q. of 130
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.)
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Assume the random variable x is normally distributed with mean u = 85 and standard deviation a = 5. Find the indicated probability. P(73<x<77) P(73<x<77) - (Round to four decimal places as needed.)