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Papessa [141]
3 years ago
12

Use a standard normal table to find the positive critical value that corresponds to a right tail area of 0.0250.025​, rounding t

o three decimal places
Mathematics
1 answer:
IRINA_888 [86]3 years ago
4 0
Let the require value be x, then

P(z > x) = 0.025
1 - P(z < x) = 0.025
P(z < x) = 1 - 0.025 = 0.975
P(z < x) = P(z < 1.96)
x = 1.96

Therefore, <span>the positive critical value that corresponds to a right tail area of 0.025</span> is 1.96
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