| << Chapter < Page | Chapter >> Page > |
Card 25 / 28:
The literacy rate for a nation measures the proportion of people age 15 and over that can read and write. The literacy rate in Afghanistan is 28.1%. Suppose you choose 15 people in Afghanistan at random. Let X = the number of people who are literate.
Sketch a graph of the probability distribution of X .Using the formulas, calculate the (i) mean and (ii) standard deviation of X .Find the probability that more than five people in the sample are literate. Is it is more likely that three people or four people are literate.
| Previous Card | ← Previous Card Button |
| Next Card | → Next Card Button |
| Flip Card | ↑ / ↓ / Return / Space |
Notification Switch
Would you like to follow the 'Introductory statistics' conversation and receive update notifications?
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|