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

Question

Mathematics

Addison Kirby

3 September, 21:01

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

+5

Answers (2)

Know the Answer?

Dylan Cole · Answer 1

The more better answer would be 8%

Jordan Dunn · Answer 2

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