Answer:
[0.9 months, 32.69 months]
Step-by-step explanation:
The mean is
The standard deviation is
Now, we have to find two values a and b such that the area under the Normal curve with mean 16.8 and standard deviation 8.1092 between a and b equals <em>95% = 0.95
</em>
Using a spreadsheet we find these values are
a = 0.906
b = 32.694
<h3>(See picture)
</h3>
and our 95% confidence interval for the mean number of months elapsed since the last visit to a dentist for the population of students participating in the program rounded to two decimal places is
[0.9 months, 32.69 months]
Answer:
2 apples and 1 mango
Step-by-step explanation:
Bowl A can be written as 6a + 3m
Bowl B can be written as 8a + 2m
The difference between the bown is 2 apples and 1 mango
2x-6=90 would be the answer
The answer is, x-5 equals to 0. So x equals to 5. So your answer is 5.
20lbs is greater because 272 oz is 17lbs
hope it helps
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