Use the standard normal table to find P (z ≥ 1.4). Round to the nearest percent.

Question

Brenna Cunningham

Mathematics

31 July, 23:58

Use the standard normal table to find P (z ≥ 1.4). Round to the nearest percent.

+1

Answers (2)

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Valerie Guerrero · Answer 1

To use the standard table to evaluate P (z≥1.4) we proceed as follows:

P (x≥1.4) = 1-P (z≤1.4)

but from the z-tables:

P (z≤1.4) = 0.9192

hence:

P (x≥1.4) = 1-0.9192

simplifying we obtain:

=0.0808

Alina Bartlett · Answer 2

The more better answer would be 8%