# STAT 221 HW4 (CH3) key - 1 For the following density curve...

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Chapter 2 / Exercise 46
Mathematics for Elementary School Teachers
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1. For the following density curve, the median is 0.50.40.30.20.10.043210a. 0.50. b. 1.50. * c. 2.00. d. 3.50.
2. A Normal density curve has which of the following properties?
4.Assume that Z has a standard normal distribution. Use BPS Table A or the application at this address. The area under the standard Normal curve corresponding to Z> 1.62 is
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Chapter 2 / Exercise 46
Mathematics for Elementary School Teachers
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5. Find the number Z such that the probability of observations that are lessthan Z is 0.05
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