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Given the URL “http://localhost/hello.php?userName=George”     How would you access the value of the userName parameter in a PHP script?

Bonus (2 points): The textbook author advises that you should never use the term “fair market value.” Instead, use just “fair value.” Why is this?

Calculate the correlation coefficient.  Report your answer to 3 decimal places. Variable x Variable y 3 23 5 31 8 56 8 52 11 58  

Questions 11 and 12 refer to the same scenario: A scientist wants to predict the impact of minutes drying time (x) on the strength of a cement sample (y).  A regression line was computed to model the dataset shown below, resulting in the linear equation 

A confidence interval is constructed based on the [part1] statistic. The purpose of the confidence interval is to estimate the true value of the [part2] parameter. 

Assume that during execution of Dijkstra’s algorithm, the set S contains A (the source), B, and C. Assume that d(B) = 5 and d(E) = 8. What is then the most precise we can say about the length of

Describe how inferences based on the representativeness heuristic are essential to our understanding of the world.  Then describe how inferences based on representativeness can cause us to make bad judgments in some cases.

In the flower shop, you water the flowers and then are given the additional responsibility of arranging the flowers. What is this known as?

Now we look at the general case: for n >= 2,

In our coffee shop, we train new employees to use the machines by having them watch online videos. What type of training is this?