At a clinic, adult resting pulse rates have $\mu =72$ beats per minute and $\sigma =8$ beats per minute. What is the z-score for 60 beats per minute? Round to the nearest hundredth.

In a greenhouse, seedling heights have $\mu =18$ cm and $\sigma =3$ cm. What is the z-score for a seedling that is 24 cm tall? Round to the nearest hundredth.

For a 10 km race, student finish times have $\mu =52$ minutes and $\sigma =5$ minutes. What is the z-score for a 45 minute finish? Round to the nearest hundredth.

A bottling line has fill amounts with $\mu =500$ mL and $\sigma =4$ mL. What is the z-score for a bottle filled with 506 mL? Round to the nearest hundredth.

At a high school, commute distances have $\mu =6$ km and $\sigma =1.5$ km. What is the z-score for a student who travels 3 km? Round to the nearest hundredth.

In a lake study, fish masses have $\mu =2.4$ kg and $\sigma =0.3$ kg. What is the z-score for a fish with mass 3.0 kg? Round to the nearest hundredth.

In a science lab, water temperatures have $\mu =22$ degrees Celsius and $\sigma =2$ degrees Celsius. What is the z-score for 19 degrees Celsius? Round to the nearest hundredth.

Library book masses have $\mu =0.8$ kg and $\sigma =0.1$ kg. What is the z-score for a book with mass 0.65 kg? Round to the nearest hundredth.

In a math class, quiz scores have $\mu =82$ points and $\sigma =6$ points. What is the z-score for a score of 94 points? Round to the nearest hundredth.

On a track team, 100 meter sprint times have $\mu =14.2$ seconds and $\sigma =0.4$ seconds. What is the z-score for 13.4 seconds? Round to the nearest hundredth.

For school tablets, battery lives have $\mu =10.5$ hours and $\sigma =1.2$ hours. What is the z-score for a battery life of 12.9 hours? Round to the nearest hundredth.

Monthly rainfall at a weather station has $\mu =8$ cm and $\sigma =2.5$ cm. What is the z-score for a month with 5 cm of rain? Round to the nearest hundredth.

Sunflower heights in a field have $\mu =178$ cm and $\sigma =12$ cm. One sunflower has z-score $z=-1.5$. How tall is it?

River trout lengths have $\mu =32$ cm and $\sigma =4$ cm. A trout has z-score $z=1.25$. What is its length?

Backpack masses for ninth graders have $\mu =6.0$ kg and $\sigma =1.2$ kg. A backpack has z-score $z=-0.5$. What is its mass?

In a psychology lab, reaction times have $\mu =400$ ms and $\sigma =50$ ms. A participant's z-score is $z=2.0$. What is the reaction time?

Tomato masses at a farm have $\mu =120$ g and $\sigma =15$ g. A tomato has z-score $z=-2.0$. What is its mass?

Homework times in a class have $\mu =35$ minutes and $\sigma =8$ minutes. A student has z-score $z=0.75$. What is the homework time?

Milk carton volumes at a dairy have $\mu =1000$ mL and $\sigma =6$ mL. A carton has z-score $z=-1.5$. What is its volume?

Seed germination times have $\mu =7.0$ days and $\sigma =0.8$ days. A seed has z-score $z=1.5$. What is its germination time?

Ceramic tile lengths from a factory have $\mu =30.0$ cm and $\sigma =0.2$ cm. A tile has z-score $z=-2.5$. What is its length?

Bike trip times in a city survey have $\mu =28$ minutes and $\sigma =3$ minutes. A trip has z-score $z=1.2$. What is the trip time?

A swimmer's 400 meter freestyle time in seconds has z-score $z=2.3$ among her team's times, where a larger time is slower. What does that z-score say about her time?

A seedling's height in centimeters has z-score $z=-1.2$ among seedlings in a greenhouse. What does that say about its height?

A patient's systolic blood pressure in mm Hg has z-score $z=0.8$ among clinic readings. What does that z-score say about the reading?

A package mass in grams has z-score $z=-2.0$ among packages from a factory line. What does that z-score say about the package?

A student's exam score in points has z-score $z=1.5$ among scores in her class. What does that z-score say about the score?

A student's commute distance in kilometers has z-score $z=-0.6$ among school commute distances. What does that z-score say about the distance?

A tablet's battery life in hours has z-score $z=2.1$ among school tablets. What does that z-score say about the battery life?

A midday air temperature in degrees Celsius has z-score $z=-1.7$ among readings at a weather station. What does that z-score say?

A fish length in centimeters has z-score $z=1.0$ among fish sampled from a lake. What does that z-score say about the length?

A delivery time in minutes has z-score $z=-0.4$ among courier deliveries, where a smaller time is faster. What does that z-score say?

A bottle from a filling machine contains 508 mL. The machine's fill standard deviation is $\sigma =4$ mL, and this bottle has z-score $z=2.0$. What is the mean fill $\mu$?

A tomato from a farm has mass 150 g. Tomato masses have $\sigma =20$ g, and this tomato has z-score $z=-1.5$. What is the mean mass $\mu$?

A runner's 5 km time is 24 minutes. Team times have $\sigma =3$ minutes, and this time has z-score $z=-2.0$. What is the team mean time $\mu$?

A light bulb lasts 850 hours. Bulb lifetimes have $\sigma =100$ hours, and this bulb has z-score $z=-1.2$. What is the mean lifetime $\mu$?

A cereal box from a factory has mass 512 g. Factory boxes have $\mu =500$ g, and this box has z-score $z=1.5$. What is the standard deviation $\sigma$?

A test score is 69 points. Class scores have $\mu =78$ points, and this score has z-score $z=-1.5$. What is the standard deviation $\sigma$?

A fish is 48 cm long. Fish lengths in a lake sample have $\mu =42$ cm, and this fish has z-score $z=0.75$. What is the standard deviation $\sigma$?

A lab thermometer reads 18 degrees Celsius. Readings have $\mu =21$ degrees Celsius, and this reading has z-score $z=-1.2$. What is $\sigma$?