Identifying H0 and H1. Examine the given statement, then express the null hypothesis H0 and alternative hypothesis H1 in

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Identifying H0 and H1.Examine the given statement, then express the null hypothesisH0 and alternative hypothesis H1 insymbolic form. Be sure to use the correct symbol (μ, p, σ) for theindicated parameter.
High school teachers have incomes with a standard deviation thatis less than $20,000.
Select one:
a.H0: σ = 20,000; H1: σ≠ 20,000
b.H0: σ = 20,000; H1: σ >20,000
c.H0: σ = 20,000; H1: σ <20,000
d.H0: σ ≠ 20,000; H1: σ = 20,000