The claim that statistics consultants have a mean income of $90,000 is to be tested at the
Question:
Respond to each of the following:
a. Give the null hypothesis in symbolic form.
b. Is this test left-tailed, right-tailed, or two-tailed?
c. In simple terms devoid of symbolism and technical language, describe the type I error.
d. In simple terms devoid of symbolism and technical language, describe the type II error.
e. Identify the probability of making a type I error.
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