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a) Consider a normal distribution with mean μ = 88. If 2% of the values lie below x = 50, find the standard deviation σ.
b) Consider a normal distribution with standard deviation σ = 15.6. If 10% of the values lie above x = 17.2, find the mean μ.
Statistics and Probability, Statistics
Suppose you are a statistics consultant, hired to study whether a tax on alcohol has decreased average alcohol consumption in Australia. For a given sample of randomly selected individuals, you are able to obtain the dif ...
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1) The R-squared of a linear regression model is equal to the proportion of the variance of the target explained by a linear regression model. 2). The R-squared of a linear regression model is equal to the proportion of ...
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After 5 years at her company, Katy just got promoted and decided to buy a new house worth $230,000. She can pay 10% up front for the down payment, then apply for a 30-year mortgage, 6.6% annual rate for the remaining bal ...
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