How many liters will you need to equal 20 gallons of lemonade? Round your answer to the nearest tenth of a liter.

Mathematics

2 answers:

kati45 [8]3 years ago

8 0

It is 80 :) :) :) :) :) :) :) :) :) :) :) :) :) :) :) :) :) :) :)

a_sh-v [17]3 years ago

5 0

75.7 liters to be exact because the full amt. not rounded is 75.7082. I got this by using conversion tables

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just olya [345]

Given Information:

Mean time to finish 400 meter dash = μ = 65 seconds

Standard deviation to finish 400 meter dash = σ = 2.5 seconds

Confidence level = 95%

Required Information:

95% confidence interval = ?

Answer:

$CI = 60 \: to \: 70 \: seconds$

Step-by-step explanation:

In the normal distribution, the empirical rule states approximately 68% of all the data lie within 1 standard deviation from the mean, approximately 95% of all the data lie within 2 standard deviations from the mean and approximately 99.7% of all the data lie within 3 standard deviations from the mean.

The confidence interval for 95% confidence limit is given by

$CI = \mu \pm 2\sigma$

Since approximately 95% of all the data lie within 2 standard deviations from the mean. μ is the mean time Carson takes to finish 400 meter dash and σ is the standard deviation.

$CI = 65 \pm 2(2.5)$