The table shows the time a patient spends at the dentist and the amount of the bill. A 2-column table with 4 rows. The first column is labeled time spent at the dentist (in hours) with entries 1.4, 2.7, 0.75, 1.6. The second column is labeled bill amount (in dollars) with entries 235, 867, 156, 215.
What is the correlation coefficient for the data in the table?

–0.93
–0.27
0.27
0.93

The frequency table shows the results of a survey comparing the number of beach towels sold for full price and at a discount during each of the three summer months. the store owner converts the frequency table to a conditional relative frequency table by row. which value should he use for x? round to the nearest hundredth. 0.89 0.90 0.92 0.96

With number 11 ( show how you got the answer)

70 points ! pls 2. given the following two sets of data what is the union of the two sets and what is the intersection of the two sets. set a = {1, 2, 3, 4, 5, 6, 7, 8, 9} set b = {2, 4, 6, 8, 10, 12, 14} 3. given a regular deck of cards. describe a way of pulling cards that would create a dependent event and then one that would create an independent event. 4. what is the probability of drawing a red card and then drawing a spade without replacing the card that was drawn first?