Find the z-score corresponding to the given value and use the ...

[natalie2426]

Find the z-score corresponding to the given value and use the z-score to determine whether the value is unusual. Consider a score to be unusual if it is at least three standard deviations above or below the mean.
 
  Round the z-score to one decimal place, if necessary.
 
  A body temperature of 95.8 F given that human body temperatures have a mean of 98.20 F and a standard deviation of 0.62.
  A) -3.8; unusual B) -2.4; not usual C) 3.8; not unusual D) -3.8; not unusual

Question 2

Find the z-score corresponding to the given value and use the z-score to determine whether the value is unusual. Consider a score to be unusual if it is at least three standard deviations above or below the mean.
 
  Round the z-score to one decimal place, if necessary.
 
  A test score of 91.0 on a test having a mean of 73 and a standard deviation of 10.
  A) 18; unusual B) 1.8; not unusual C) -1.8; not unusual D) 1.8; unusual

[Sweetkitty24130]

Answer to Question 1

A

Answer to Question 2

B