Answer:
Correct options are A,B,D:
- The sample needs to be random, but we don't know if it is.
- The actual count of community residents who received the concert brochure by mail is too small.
- n(1 minus p‐hat) is not greater than 10.
Step-by-step explanation:
Concert marketing: The college’s performing arts center wanted to investigate why ticket sales for the upcoming season significantly decreased from last year’s sales. The marketing staff collected data from a survey of community residents. Out of the 110 people surveyed, only 7 received the concert brochure in the mail.
The third expression is wrong
Answer:
200
Step-by-step explanation:
Answer:
The Correct answer is:
A. You aren’t telling me anything I don’t already know.
Step-by-step explanation:
Average rate= change in alt / change in time
r=-378/7=-54ft/min
