Answer:
E 0.923
Step-by-step explanation:
The Z score is a measurement used in statistics to determine the relationship between a value and a mean of a group of values measured as standard deviation from the mean. The z score (z) is given as:
, Where μ is the mean, σ is the standard deviation and x is the value.
Given that:
σ = 7, μ = 80 and x = 90
From the normal distribution table, P(X < 90) = P(z < 1.43) = 0.923
The answer is akuma di ra
$6.24. This is because 1.44 / 6 = 0.24, and 0.24 x 26 = 6.24.
Answer:
6
Step-by-step explanation:
the rest are boys
(3) 62.5% cuz u take the total number of the students and u divide it by the number of students between 60 to 65