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3 years ago

8. (9.5 x 1011) + (6.3 x 109) = please help

Mathematics

1 answer:

neonofarm [45]3 years ago

7 0

Step by Step: Solve the parentheses first then add that should then give you your answer

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Find the standard deviation for the set of data {27, 14, 7, 21, 19, 23, 26, 30, 4}

antoniya [11.8K]

4 , 7 , 14 , 19 , 21 , 23 , 23 , 26 , 27 , 30

Step-by-step explanation:

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2 years ago

What is 1614 divided by 4

igor_vitrenko [27]

1614 divided by 4 is 403.5

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3 years ago

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aivan3 [116]

Answer:

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Step-by-step explanation:

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3 years ago

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I need help with this problem

Vaselesa [24]

Answer:

21 plays a sport and takes a foreign language.

17 takes a language and does not play a sport.

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3 years ago

Previous studies have reported that elite athletes are often deficient in their nutritional intake (for example, total calories,

Naddik [55]

Answer:

(3138.29, 3705.11)

Step-by-step explanation:

Given that for sample size of n = 50 male athletes from eight Canadian sport centers surveyed, the average caloric intake was 3077.0 kilocalories/day with a sample standard deviation of 987.0.

The recommended amount = 3421.70

To construct 95% confidence interval

Since population std deviation is not known we use t critical value for degree of freedom 50-1 =49

t critical = 2.010

Hence margin of error = $2.010*\frac{987}{\sqrt{50-1} } \\=283.41$

Confidence interval lower bound = $3421.70-283.41\\=3138.29$

Confidence interval upper bound = $3421.70+283.41\\=3705.11$

Conf interval = $(3138.29, 3705.11)$

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4 years ago