Answer: a=2.3
Step-by-step explanation:
divide both sides by 2
4.6 divided by 2 is 2.3
The required expected population proportion that prefers to shop at places with loyalty cards is between 54.6% and 61.4%.
Given That,
In a survey conducted by a retail store, 58% of the sample respondents said they prefer to shop at places with loyalty cards. if the margin of error is 3.4%.
<h3>What is population proportion?</h3>
A population proportion is defined as the percentage of a population that belongs to a individual category. Certainty gaps are used to evaluate population proportions.
Here, the margin of error is 3.4%.
expected population proportion = 58% ± 3.4%
expected population proportion interval = (58% - 3.4%, 58% + 3.4%)
expected population proportion interval = (54.6%, 61.4%).
Thus, The required expected population proportion that prefers to shop at places with loyalty cards is between 54.6% and 61.4%.
Learn more about population proportion here.
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Answer:
...
Step-by-step explanation:
the answer is 10.2 :)
Answer:
(f+g)(x)=x^2+8+x-2
=x^2+x+6
The answer is the 3rd one in your options.
Answer:
Step-by-step explanation:
<u>Number of people using more than one sport facility:</u>
- 38 - gym and pool
- 31 - pool and track
- 33 - gym and track
- 16 - all three
<u>Since 16 is counted for all three, total number of those using more than one facility is therefore:</u>
<u>Number of people using exactly one facility is:</u>
<u>Probability of the person using exactly one facility is:</u>
