Answer:
3
Step-by-step explanation:
Whatever number you put between the | | will always come out as positive because of the absolute rule.
Answer:
x=48
Step-by-step explanation:
48/4=12
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Answer:
0.24315
Step-by-step explanation:
Using the z score formula to solve this question
z = (x - μ) / σ,
Such that:
x = raw score
μ = population mean
σ = population standard deviation.
From the question:
x = 3000
μ = 3550
σ = 870
z = (3000 - 3550) / 870
z = -550/870
z = -0.6962
Using the z score table as well as probability calculator(as requested in the question to find the z score)
The probability of having less than 3000 is obtained as:
P(x<3000) = 0.24315
Open circle with an arrow to the left of the number line with the circle on 1.5 in the middle of 1 and 2
