8. Continuous Random Variables
Interactive practice questions
If Dave scores $96$96 in a test that has a mean score of $128$128 and a standard deviation of $16$16, what is his $z$z-score?
Easy
< 1min
Frank finishes a fun run in $156$156 minutes. If the mean time taken to finish the race is $120$120 minutes and the standard deviation is $12$12 minutes, what is his $z$z-score?
Easy
< 1min
Christa is $157$157 cm tall. If the average height in her class is $141$141 cm and the standard deviation is $8$8 cm, what is her $z$z-score?
Easy
< 1min
If Maximilian scores $57.6$57.6, with a $z$z score of $2$2, in a test that has a standard deviation of $5.8$5.8, what was the mean score?
Easy
1min
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