Problem

Use the table to find the area under the standard normal curve and above the interval $[-0.77, \infty)$ on the horizontal axis.

Solution

Step 1 :The problem is asking for the area under the standard normal curve and above the interval $[-0.77, \infty)$ on the horizontal axis. This is equivalent to the area below the interval $(-\infty, -0.77]$.

Step 2 :We can use the Z-table to find the area to the left of $-0.77$. The Z-table gives us the area to the left of a given Z-score.

Step 3 :From the Z-table, the area to the left of $-0.77$ is approximately $0.221$.

Step 4 :However, we want the area to the right of $-0.77$, which is $1 - 0.221 = 0.779$.

Step 5 :\(\boxed{0.779}\) is the area under the standard normal curve and above the interval $[-0.77, \infty)$ on the horizontal axis.

From Solvely APP
Source: https://solvelyapp.com/problems/13917/

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