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Let x be a continuous random variable that follows a normal distribution with a mean of 200 and a standard deviation 25. Find the value of x so that the area under the normal curve between ì and x is approximately 0.4798 and the
asked by louise on November 19, 2013 
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Standard Normanl Drill: A. Find the number z such that the proportion of observations that are less than z in a standard Normal distribution is 0.8. B. Find the number z such that 35% of all observations from a standard Normal
asked by Devon on September 10, 2007 
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Find z so that 5% of the area under the standard normal curve lies to the right of z. the answer according to the book is 1.645, anyone got any ideas on how to get this?
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Using the standard normal distribution tables, the area under the standard normal curve corresponding to Z > –2.62 is a. 0.0044. b. 0.0047. c. 0.9953. d. 0.9956. The answer is D How do i find the answer on the Table C or just in
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The respiratory rate per minute in newborns varies according to a distribution that is approximately Normal with mean 50 and standard deviation 5. The proportion of observations from a standard Normal distribution that take values
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find z such that 97.5% of the standard normal curve lies to the left of z
asked by John on June 14, 2010 
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find z such that 6.6% of the standard normal curve lies to the right of z. (Round your answer to two decimal places.)
asked by Amy on November 16, 2016 
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Find the zscore such that the area under the standard normal curve to the left is 0.53.
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Find z such that 20.3% of the standard normal curve lies to the right of z. 0.831 0.533 0.533 0.257 0.257
asked by Randy on September 26, 2010 
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A normal distribution has a mean of 44 and a standard deviation of 4. What is the probability that a value drawn from the distribution lies between 36 and 48? A) 0.18 B) 0.32 C) 0.82 D) 0.91
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trig
If point (3, 8) lies on the terminal side of an angle A in standard position, find: a) sinA b) tanA
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