Question

use technology or a z-score table to answer the question. The expression P(z<1.87) represents the area under the standard normal curve below the given value of z. What is P(z<1.87)?

Answer 1

The expression $P(z$ represents the area under the standard normal curve below the given value of $z=1.87$.

Now,

$P(z$.

Where $\Phi$ represents the cumulative density function.

The value of $\Phi(1.87)$ represents the area under the standard normal distribution curve between $z=-\infty$ and $z=1.87$.

Using normal tables or technology,

$P(z$.

Answer 2

Using a z-score table:

P(z<1.87)=0.96926

P(z<1.87)=0.96926 x 100%

P(z<1.87)=96.926%