To find the quotient of 3 divided by 1/6 multiply 3 by
2 answers:
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Answer: 12 cups of salad blend are in the resulting mixture
Explanation:
Since we have given that
4 cups of a salad blend contains 40% spinach
Using mixture allegation method, we get that
8 cups of a salad blend contains 55% spinach as shown in the figure below.
Now, we need to find the number of cups of salad in the resulting mixture,
Hence, 12 cups of salad blend are in the resulting mixture .
Answer:
- The lowest value of the confidence interval is 0.5262 or 52.62%
- The highest value of the confidence interval is 0.5538 or 55.38%
Step-by-step explanation:
Here you estimate the proportion of people in the population that said did not have children under 18 living at home.It can also be given as a percentage.
The general expression to apply here is;
where ;
p=sample proportion
n=sample size
z*=value of z* from the standard normal distribution for 95% confidence level
Given;
n=5000
<u>Find p</u>
From the question 54% of people chosen said they did not have children under 18 living at home
<u>To calculate the 95% confidence interval, follow the steps below;</u>
- Find the value of z* from the z*-value table
The value of z* from the table is 1.96
- calculate the sample proportion p
The value of p=0.54 as calculated above
- Find p(1-p)
- Find p(1-p)/n
Divide the value of p(1-p) with the sample size, n
- Find the square-root of p(1-p)/n
- Find the margin of error
Here multiply the square-root of p(1-p)/n by the z*
The 95% confidence interval for the lower end value is p-margin of error
The 95% confidence interval for the upper end value is p+margin of error