A researcher does not have the resources or time to do a probability sample. She wants to do a convenience sample, but she also wants to make sure that all ethnicities are fairly represented in her sample. What kind of sampling would you recommend to her?

Kenzie lives 30 kilometers from her cousin houde she drives 23 kilometers before stopping for gas how many meters does she need to travel

Which rational number could be graphed between -4 and -5

The krasnapolski is a top-of-the-line hotel in amsterdam, the netherlands. among their many services, they rent bicycles to guests. the bicycle checkout is open 24 hours per day 7 days per week and has 50 bicycles on hand. on average, 10 guests request a bicycle each day, arriving completely randomly at all times of the day during the spring and summer seasons. guests keep bicycles for four days on average, with a standard deviation of two days. how long does a guest on average have to wait for a bike? a. approximately 24 hours b. approximately 0.033 hours c. approximately 4 days d. approximately 47 minutes