Answer: 360.73
Step-by-step explanation:
When you come across any question that says [a of b] is just saying a × b.
5.5% of x=5.5% × x
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Given
5.5% of x=19.84
Converted into numerical expression
5.5% × x=19.84
Divide both sides by 5.5% (0.055)
x=19.84 ÷ 5.5%
simplify
x=360.73 (rounded)
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:

</span>
Answer: 200 miles per hour
Step-by-step explanation:
200miles per 60 minuets
1/2 hour = 30 minuets
200/0.5 = 100
Therefore, to travel 100 miles in 1/2 an hour you would have to be going 200 miles per hour.
Answer:
45
Step-by-step explanation:
x÷3=15
=×*1/3=15
=x=15*3
x=45