Answer:
c. 0.14
Step-by-step explanation:
Generally, for a given normal distribution, we can estimate the probability of the normal distribution using the equation below:
P (x greater than
) = pnorm(
, mean, sd, lower tail=FALSE)
The following variables are provided in the question:
= 15
n = 30
Therefore:
Mean: E(30*X) = 30(0.47)
Standard deviation: 0.15*
P (y greater than 15) = 1 - pnorm (15, 30*0.47, 0.15*
)
P (y greater than 15) = 1 - pnorm (15, 14.1, 0.822) = 0.137
The approximate probability is 0.14
Answer:
Step-by-step explanation:
Mercury is used to make thermometers the red loiqid like substance in the middle of a thermometer and pumps.
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Answer:
1. J because it's a straight line
2. 225
however I only got 4 marks not 5.
Step-by-step explanation:
Answer:
x = -4.8
Step-by-step explanation:
combine like terms
3x + 2x + 6 = -18
5x + 6 = -18
isolate the terms with the x variable
5x + 6 - 6 = -18 - 6
5x = -24
isolate x
5x/5 = -24/5
x = -4.8