5 To test whether a coin is biased or not, it is tossed 10 times. The coin will be considered biased if there are 9 or 10 heads, or 9 or 10 tails.
- Show that the probability of making a Type I error in this test is approximately 0.0215 .
- Find the probability of making a Type II error in this test when the probability of a head is actually 0.7.