"On a map, 0.25 inches represents 1 mile. What is the area of a rectangle on the map that is 3.75 inches long and 2.25 inches wi
2 answers:
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The right answer is C
Let me to explain. From the graph we know that the vertex of this parabola is . This is a<em> maximum y-value.</em> We also know that the parabola <em>opens downward, </em>so the leading coefficient is negative. Given that the function is even and the leading coefficient is negative, it follows that the graph falls to the left and right. In a mathematical language this is:
<em> </em>
Answer:
9.72%
Step-by-step explanation:
Our values here are:
Sample Size, n= 55
Standard Deviation is 2.
Our probability of obtaining a sample equal or less to 2 hours is
We can conclude that our probability is 9.72% from a population whose mean is presumed to be 2.35hours