A random sample of size 15 is selected from a normal population. The population standard deviation is unknown. Assume the null hypothesis indicates a two-tailed test and the researcher decided to use the 0.10 significance level. For what values of t will the null hypothesis not be rejected?

• To the left of -1.282 or to the right of 1.282

• Between -1.761 and 1.761

• To the left of -1.645 or to the right of 1.645

• To the left of -1.345 or to the right of 1.345