No, the sum of 12 and 15 is 27
The probability that a normally distributed data with a mean of μ and a standard deviation of σ is less than a value x is given by:

Given that μ = 16.5 and σ = 0.804984 and that the probability that the <span>mean oil-change time being at or below the
sample mean for which there is an area of 0.10 to the left under the
normal curve, then:

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Answer:
The square root of 2, or the (1/2)th power of 2, written in mathematics as √2 or 21⁄2, is the positive algebraic number that, when multiplied by itself, equals the number 2. Technically, it is called the principal square root of 2, to distinguish it from the negative number with the same property
Step-by-step explanation:
Answer:
16 yards
The drawing will help
*There are 3 feet in a yard*
I think the answer would be 9t.