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Sati [7]
3 years ago
8

Multiply. −49×58 Enter your answer as a fraction, in simplified form,

Mathematics
2 answers:
brilliants [131]3 years ago
7 0
The answer would be -2842 hope i helped good luck :)
Nezavi [6.7K]3 years ago
7 0
The answer is -2,842
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. A random sample of 100 children with working mothers showed that they were absent from school an average of 6 days per term wi
erica [24]

Answer:

a) The equation is:

Confidence Interval = Mean ± Z score × Standard deviation/√Number of samples

b) The 98% confidence interval = (5.62784, 6.37216)

Step-by-step explanation:

a. Write down the equation you should use to construct the confidence interval for the average number of days absent per term for all the children. (10 points)

Confidence Interval = Mean ± Z score × Standard deviation/√Number of samples

b. Determine a 98% confidence interval estimate for the average number of days absent per term for all the children. (10 points)

Confidence Interval = Mean ± Z score × Standard deviation/√Number of samples

Mean = 6 days

Standard deviation = 1.6 days

Number of samples = 100

Z score of 98% confidence interval = 2.326

Confidence interval = 6 ± 2.326 × 1.6/√100

= 6 ± 2.326 × 1.6/10

= 6 ± 0.37216

= 6 - 0.37216

= 5.62784

6 + 0.37216

= 6.37216

Therefore, the 98% confidence interval = (5.62784, 6.37216)

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3 years ago
Which ratio is equivalent to 12 over 14
Alecsey [184]
12/14=6/7

Because you divide by 2. 
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You have to divide 108 with 25.18

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The answer for this would be B
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Answer:

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Step-by-step explanation:

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