Exam 9: The Normal Distribution

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Find the indicated normal-curve area using the normal table. -To the left of z=−1.5z=-1.5 .

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Which of the following distributions is not continuous?

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If a random variable has the normal distribution with μ=30\mu=30 and σ=5\sigma=5 , find the probability that it will take on the indicated value. -Between 31 and 35

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Distributions are of two types: _______ and _______ The binomial is an example of a distribution that is _______. The normal is an example of a distribution that is _______.

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When considering area under the standard normal curve, decide whether the area to the left of z=0z=0 is bigger than, smaller than, or equal to the area to the right of z=−0.2\mathrm{z}=-0.2 .

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Find zz if the normal curve area between −z-z and zz is 0.9512 .

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If we are using the normal approximation to determine the probability of at most 28 successes in a binomial distribution (P(x≤28))(P(x \leq 28)) , the normal distribution probability that is used to make the estimate is

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The area under a normal curve between any two values aa and bb gives the _______ that a random variable having the normal distribution will take on a value in the interval from aa to bb .

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The number of ounces of soda that a vending machine dispenses per cup is normally distributed with a mean of 12 ounces and a standard deviation of 4 ounces. -Find the probability that more than 16 ounces is dispensed in a cup.

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