A.In a given normal distribution the sample mean is 75and the sample standard deviation is 4.Find the corresponding standard score of the following values:
1.69
2.85
3.70
4.65
B.On a final examination in mathematics the mean was 76 and the standard deviation was 5.Determine the standard score if a student who received a score of 88 assuming the scores are normally distributed
C.The mean height of the students in Grade 1 section Newton is 125am and the standard deviation is 3.5 cm. Assuming the heights normally distributed,what percent of the height is:
1.greater than 135 cm?
2.less than 128 cm?
3.between 115 and 130 cm?
Pakisagot po plz.
1.69
2.85
3.70
4.65
B.On a final examination in mathematics the mean was 76 and the standard deviation was 5.Determine the standard score if a student who received a score of 88 assuming the scores are normally distributed
C.The mean height of the students in Grade 1 section Newton is 125am and the standard deviation is 3.5 cm. Assuming the heights normally distributed,what percent of the height is:
1.greater than 135 cm?
2.less than 128 cm?
3.between 115 and 130 cm?
Pakisagot po plz.
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