What is 3 and three tenths divided by 4 and two ninths

1 answer:

4 0

The answer in it's simplest form is 297/380. This is just simple number crunching on a scientific calculator. They are really helpful. If you don't have one, change both mixed fractions into improper fractions. Then multiply one number by the reciprocal of the other. You don't even need a common denominator.

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What is the highest mulitipul of 2&3

yKpoI14uk [10]

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3 years ago

Electricity usage data consists of 45 months has a mean number of units consumed is 390.47 per month with a standard deviation o

neonofarm [45]

Answer:

The 95% confidence interval for the average monthly electricity consumed units is between 47.07 and 733.87

Step-by-step explanation:

We have the standard deviation for the sample. So we use the t-distribution to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 45 - 1 = 44

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 44 degrees of freedom(y-axis) and a confidence level of $1 - \frac{1 - 0.95}{2} = 0.975$ . So we have T = 2.0141