subject
Mathematics, 23.10.2021 14:00 queenkendra16

The refusal rate for telephone polls is known to be approximately 20%. A newspaper report indicates that 50 people were interviewed before the first refusal. (a) Comment on the validity of the report. Use a probability in your argument. (b) What is the expected number of people interviewed before a refusal

ansver
Answers: 2

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 23:30, olivialaine31
Will give brainliest for correct answer 8. use the distance time graph to answer these questions: a. what does the graph tell us about the velocity of the car? b. what is the average velocity of the car? (show work) c. is the velocity reflected in the graph positive or negative?d. is there any point on the graph where the car is not moving? how do we know?
Answers: 1
image
Mathematics, 22.06.2019 00:00, yaz1206
Stefanie is painting her bedroom. she can paint 2 1/3 square feet in 4/5 of an hour. how many square feet can she paint in one hour?
Answers: 2
image
Mathematics, 22.06.2019 00:00, hdwoody2002
Percy rides his bike 11.2 miles in 1.4 hours at a constant rate. write an equation to represent the proportional relationship between the number of hours percy rides, x, and the distance in miles, y, that he travels.
Answers: 1
image
Mathematics, 22.06.2019 01:00, Kkampudiaa
Mia’s gross pay is 2953 her deductions total 724.15 what percent if her gross pay is take-home pay
Answers: 1
You know the right answer?
The refusal rate for telephone polls is known to be approximately 20%. A newspaper report indicates...

Questions in other subjects: