Assume that when adults with smartphones are randomly selected, 59% use them in meetings or classes (based on data from an lg smartphone survey). if 15 adult smartphone users are randomly selected, find the probability that fewer than 5 of them use their smartphones in meetings or classes

P(X<5)=0.0115

Step-by-step explanation:

-This is a binomial probability distribution problem expressed as:

-Given p=0.59, n=15, the probability that fewer than 5 people use their smartphones is calculated as follows:

Hence, the probability of less than 5 people using their smartphones is 0.0115

1. 3.4/4

2. 0.8/7

3. 0.5 x 3

4. 0.9 x 6

5. 10.8

6. 2.35

7. 0.567

8. 9.35

9. 0.02

10. 0.06

11. 0.16

12. 0.42

13. 0.63

14. 5.6

15. 8.1

16. 9.9

17. 0.28

18. 0.48

19. 0.27

20. 0.49

21. 0.45

22. 0.72

23. 0.9

24. 0.88

25. 0.75

26. 0.16

27. 0.328

28. 0.495

29. 0.72

30. 1.068