19) A medical school claims that less than 32% of its students plan to go into general practice. It is found that among a random sample of 32 of the school's students, 29% of them plan to go into general practice. Find the P-value for a test to support the school's claim.
20) Find the critical value or values of chi square based on the given information:
σ > 25.6
n = 28
α = 0.01
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