Mean scores for elementary schools had 1228 and a standard deviation of 82. What would be the z-score for an elementary school whose mean score was 1300

The z-score for an elementary school whose mean score was 1300 is 0.878

Step-by-step explanation:

The z-score can be calculated from the formula

Where represents the z score

represents the score

is the mean

and is the standard deviation

From the question,

Mean scores for elementary schools had 1228 and a standard deviation of 82, that is

To determine the z-score () for an elementary school whose mean score was 1300, that is

Hence, the z-score is

Hence, the z-score for an elementary school whose mean score was 1300 is 0.878.

135 is your answer

step-by-step explanation:

try 180 times three then divide that number by 4 (sides) to get your answer. im glad to : )

yes

step-by-step explanation:

yes