A clinic records vaccinations per hour: 0 with probability 0.15, 1 with probability 0.35, 2 with probability 0.30 and 3 with probability 0.20. Find the expected vaccinations per hour, to three decimal places.

A bike shop records late rental returns per day: 0 with probability 0.50, 1 with probability 0.30, 2 with probability 0.15 and 3 with probability 0.05. Find the expected late returns, to three decimal places.

A farm tracks kilograms of berries discarded per crate: 0 with probability 0.20, 2 with probability 0.50, 4 with probability 0.20 and 6 with probability 0.10. Find the expected kilograms discarded, to three decimal places.

A bus company records missed stops per route: 0 with probability 0.60, 1 with probability 0.25, 2 with probability 0.10 and 3 with probability 0.05. Find the expected missed stops, to three decimal places.

A cafe records unsold muffins each afternoon: 0 with probability 0.10, 3 with probability 0.30, 6 with probability 0.40 and 9 with probability 0.20. Find the expected unsold muffins, to three decimal places.

A printer box has defective cartridges distributed as 0 with probability 0.70, 1 with probability 0.20, 2 with probability 0.08 and 3 with probability 0.02. Find the expected defective cartridges, to three decimals.

A phone app records notifications per minute: 0 with probability 0.25, 1 with probability 0.25, 2 with probability 0.30 and 4 with probability 0.20. Find the expected notifications per minute, to three decimals.

A school records recycling bags filled per club meeting: 1 with probability 0.15, 2 with probability 0.45, 3 with probability 0.30 and 4 with probability 0.10. Find the expected bags, to three decimals.

A dentist records cancellations per morning: 0 with probability 0.40, 1 with probability 0.35, 2 with probability 0.15 and 3 with probability 0.10. Find the expected cancellations, to three decimals.

A vending machine refund in dollars is 0 with probability 0.65, 1 with probability 0.20, 2 with probability 0.10 and 5 with probability 0.05. Find the expected refund in dollars, to three decimals.

A clinic records extra wait time in minutes: 0 with probability 0.20, 5 with probability 0.30, 10 with probability 0.35 and 15 with probability 0.15. Find the expected extra wait time, to three decimals.

A team earns bonus points of 0 with probability 0.30, 2 with probability 0.40, 5 with probability 0.20 and 10 with probability 0.10. Find the expected bonus points, to three decimals.

A game costs $2 to play, pays $12 with probability 0.10, pays $4 with probability 0.25 and pays nothing otherwise. Find the expected net gain per play in dollars, to three decimals.

A raffle ticket costs $5, pays $50 with probability 0.04, pays $10 with probability 0.15 and pays nothing otherwise. Find the expected net gain per ticket in dollars, to three decimals.

A carnival spinner costs $1.50 to play, pays $5 with probability 0.20, pays $1 with probability 0.50 and pays nothing otherwise. Find the expected net gain per play in dollars, to three decimals.

A scratch card costs $3, pays $20 with probability 0.05, pays $5 with probability 0.20 and pays nothing otherwise. Find the expected net gain per card in dollars, to three decimals.

An arcade claw game costs $2.50, gives a $15 prize with probability 0.12, a $3 prize with probability 0.30 and no prize otherwise. Find the expected net gain per play, to three decimals.

A school fair wheel costs $4 to spin, pays $25 with probability 0.08, pays $6 with probability 0.25 and pays nothing otherwise. Find the expected net gain per spin in dollars, to three decimals.

An online quiz costs $1 to enter, pays $6 with probability 0.05, pays $2 with probability 0.30 and pays nothing otherwise. Find the expected net gain per entry in dollars, to three decimals.

A prize draw costs $10 to enter, pays $100 with probability 0.08, pays $20 with probability 0.20 and pays nothing otherwise. Find the expected net gain per entry in dollars, to three decimals.

A mini game costs $0.50, pays $2 with probability 0.30, pays $0.25 with probability 0.40 and pays nothing otherwise. Find the expected net gain per play in dollars, to three decimals.

An app contest costs $3.50, pays $30 with probability 0.05, pays $4 with probability 0.40 and pays nothing otherwise. Find the expected net gain per entry in dollars, to three decimals.

A darts game costs $6, pays $40 with probability 0.10, pays $5 with probability 0.30 and pays nothing otherwise. Find the expected net gain per play in dollars, to three decimals.

A basketball shot game costs $2, pays $8 with probability 0.25, pays $1 with probability 0.50 and pays nothing otherwise. Find the expected net gain per shot in dollars, to three decimals.

A food truck can park at A, earning $120 with probability 0.60 and losing $20 otherwise, or B, earning $90 with probability 0.75 and losing $10 otherwise. Which has the higher expected profit, and by how much?

A farmer can plant tomatoes, earning $800 with probability 0.50 and losing $200 otherwise, or peppers, earning $500 with probability 0.80 and losing $100 otherwise. Which has the higher expected profit, and by how much?

A cafeteria can make extra salads, gaining $60 with probability 0.70 and losing $30 otherwise, or wraps, gaining $45 with probability 0.85 and losing $15 otherwise. Which has the higher expected profit, and by how much?

A delivery company can choose north route, saving $40 with probability 0.55 and costing $10 otherwise, or south route, saving $25 with probability 0.80 and costing $5 otherwise. Which has the higher expected value?

A factory can inspect now, gaining $200 with probability 0.30 and losing $20 otherwise, or install a sensor, gaining $120 with probability 0.50 and losing $10 otherwise. Which has the higher expected value?

A club can run an email drive, gaining $300 with probability 0.40 and losing $50 otherwise, or a booth, gaining $180 with probability 0.70 and losing $20 otherwise. Which has the higher expected profit?

A clinic can send reminder texts, saving $12 with probability 0.90 and costing $1 otherwise, or make calls, saving $25 with probability 0.50 and costing $3 otherwise. Which has the higher expected value?

A theater can buy social media ads, gaining $1000 with probability 0.25 and losing $100 otherwise, or a local paper ad, gaining $400 with probability 0.60 and losing $50 otherwise. Which has the higher expected profit?

A shipping company computes the expected value of damaged parcels per truckload as 1.4. What does 1.4 mean in this context?

An insurer computes its expected net gain on a phone policy as $18.000 per policy. What does that expected value mean?

A basketball shot game has expected net gain -$0.350 for the player per play. What is the best interpretation?

A bus agency finds the expected lateness of a route is 2.6 minutes. What does this expected value say?

A manufacturer computes expected warranty cost as $42.000 per laptop sold. What should the company use this value for?

A farm plan has expected profit $125.000 per hectare for one season. What is the correct interpretation?

A blood drive models donors per hour and finds an expected value of 7.8 donors. What does 7.8 describe?

A commuter pass has expected saving $14.500 per month compared with single tickets. What does that expected saving mean?