You are in charge of the online store for the Animal Sciences Department. You collect the following data about the 100 items sold in December. What was the average value of an item sold at the store during that time? Give your answer as XX.X item t-shirt sweatshirt coffee mug bumper sticker hat cost (dollars) 20 30 10 5 15 number sold 50 20 10 10 10
You are in charge of the online store for the Animal Sciences Department. You collect the following data about the 100 items sold in December. What was the average value of an item sold at the store during that time? Give your answer as XX.X
| item | t-shirt | sweatshirt | coffee mug | bumper sticker | hat |
| cost (dollars) | 20 | 30 | 10 | 5 | 15 |
| number sold | 50 | 20 | 10 | 10 | 10 |
For the data set below, what is the P(X>1)? Give your answer as 0.XX
| X | 0 | 1 | 2 | 3 |
| P(X) | .3 | .2 | .4 | .1 |
The probability of randomly sampling a student on campus and finding that they are wearing a red shirt is .3. what is the probability of sampling 10 students and finding that exactly 4 are wearing red shirts in any order? Give your answer as 0.XX
The probability of randomly sampling someone in my neighborhood and finding that they own a pet is 0.7. You randomly sample 6 people in my neighborhood. What is the probability that exactly 5 of them own a pet in any order? Give your answer as 0.XX
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