The results of a poll show that between 75% and 83% of consumers prefer Chip A to Chip B. What is the point estimate for the per
2 answers:
Answer:
79%
Step-by-step explanation:
First of all, the point estimate is a value located in between the upper confidence limit and the lower confidence limit, it identifies a point in some parameter space.
This question provides us with an interval estimate which is a range of values used to estimate a population parameter.
Interval Estimate = 75% to 83%
75% = Lower confidence limit
83% = Upper confidence limit
Point estimate = middle value
=
= 79%
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Answer:
3.9 units
Step-by-step explanation:
We are given that,
Time taken by each swing = 2.2 seconds
The pendulum formula is given by, , where T is the time taken and L is the length of the swing.
So, we have,
i.e.
i.e.
i.e.
i.e.
i.e.
i.e.
i.e. L = 3.923 units
So, rounded to tenths, the length of the swing is 3.9 units.
Answer:
The coefficient of is 3.
Step-by-step explanation:
The coefficient of an equation is the number that is multiplied by the varible. In this equation, is being multiplied by 3, so the coefficient is 3.