a spherical container with a radius of 4 ft is filled with gas that costs$12 per cubic foot what is the total value of the gas i
1 answer:
The spherical container has a radius of 4ft (where ft represents feet)
Its filled with gas that costs $12 per ft³
The value of gas in the container = ?
The volume of a sphere = 4/3r³
The volume of the container = 4/3 × × 4³ ft³
One cubic foot = $12
4/3 × × 64 = How much?
Cross multiplying gives:
4/3 × ×64 × $12 = $3216.99 (Rounded up to nearest one cent)
You might be interested in
Answer:
Step-by-step explanation:
Hint- First we have to calculate the mean and standard deviation of the sample and then applying formula for confidence interval we can get the values.
Mean of the sample is,
Standard deviation of the sample is,
The confidence interval will be,
Here,
Z for 95% confidence interval is 1.96, and n is sample size which is 24.
Putting the values,
Confidence interval is used to express the degree of uncertainty associated with a sample.
95% confidence interval means that if we used the same sampling method to select different samples and calculate an interval, we would expect the true population parameter to fall within the interval for 95% of the time.