Question: 1. State the null and alternative hypotheses and determine the type of test (lower-tailed, upper-tailed, two-tailed) for each of the following. (a) A psychologist claims

1. State the null and alternative hypotheses and determine the type of test (lower-tailed, upper-tailed, two-tailed) for each of the following.

(a) A psychologist claims that more than 6.1% of the population suffer from professional problems due to extreme shyness.

(b) A cereal company claims that the mean weight of the cereal in its packets is at least 14 oz.

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