Answer:
Option 1. The mean Arm Span for class A is much lower than Class B's.
Step-by-step explanation:
I hope you will be able to understand from this pic. Actually It's called Stem and Leaf Display.
These statistics are impossible: all students who ride bike and use crossing guard ride a bike, so the proportion of students who ride a bike and use the crossing guard must be less than or equal to the proportion of students who ride a bike. This is not true in the given stats; 0.12 > 0.1
Answer:
5.55%
Step-by-step explanation:
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Answer:
k = 8
Step-by-step explanation:
7(k - 5) = 21
k - 5 = 3
k = 8
Hope this helps!
To simplify the equation 3(5 + 2x), the distributive factor must be used, so the number outside the bracket (3), must be distributed (or multiplied) with each of the terms inside the brackets (5 and 2x) and then simplify
<span>3(5 + 2x)
</span>3(5) + 3(2x)
15 + 6x