The mean score on a math test is 85.4 points with a standard deviation of 7.1 points. a) Find the Z-score corresponding to a score of 70.5. Is this score unusual?
Z-score?
Round to 2 decimals
b) Find the Z-score corresponding to a score of 99.1. Is this unusual?
Z-score?
Round ot 2 decimals

Astudent simplified a rational expression as shown.

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.

Aprofessional hockey team has noticed that, over the past several seasons, as the number of wins increases, the total number of hot dogs sold at the concession stands increases. the hockey team concludes that winning makes people crave hot dogs. what is wrong with the hockey team's conclusion? a) it does not take into account the attendance during each season. b) it does not take into account the number of hamburgers sold during each season. c) it does not take into account the number of concession stands in the hockey arena. d) it does not take into account the number of seasons the hockey team has been in existence.