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1 answer:
Answer:
We conclude that the 12x is the required expression that is equivalent to 7x + 4x + x and has only one term.
Step-by-step explanation:
Given the expression
The current expression has three terms such as 7x, 4x, and x.
The current expression can be further simplified such as
Add similar elements:
Thus, the given expression can be expressed as the only one term such as
.
i.e.
Therefore, we conclude that the 12x is the required expression that is equivalent to 7x + 4x + x and has only one term.
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Answer:
Required Probability = 0.97062
Step-by-step explanation:
We are given that the weights of newborn baby boys born at a local hospital are believed to have a normal distribution with a mean weight of 4016 grams and a standard deviation of 532 grams.
Let X = weight of the newborn baby, so X ~ N()
The standard normal z distribution is given by;
Z = ~ N(0,1)
Now, probability that the weight will be less than 5026 grams = P(X < 5026)
P(X < 5026) = P( <
) = P(Z < 1.89) = 0.97062
Therefore, the probability that the weight will be less than 5026 grams is 0.97062 .