For Exercises 8.1 and 8.2, see page 419; for 8.3 and 8.4, see page 421; for 8.5 to 8.7, see page 423; for 8.8 to 8.11, see pages 425–426; for 8.12, see page 426; for 8.13 and 8.14, see page 429; and for 8.15 and 8.16, see page 431.
8.15 Compute the sample size for a different alternative.
Refer to Example 8.7. Use software to find the sample size needed for a two-sided test of the null hypothesis that versus the two-sided alternative with and 80% power if the alternative is .
8.15
.