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Find the critical value t a/2 for the confidence interval for the mean.Use t-table. a.99% confidencen=20 b.95% confidence n=32 c.98% confidencen=15

Find the critical value t_a/2for the confidence interval for the mean.Use t-table.

a.99% confidencen=20

b.95% confidence n=32

c.98% confidencen=15

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