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2 years ago

Sebastian has 12 more trophies than Megan.megan has t trophies.how many trophies does Sebastian have

Mathematics

2 answers:

kipiarov [429]2 years ago

8 0

Answer:

12 + t

Hope This Helped :)

ICE Princess25 [194]2 years ago

3 0

Answer:

sebastian has 12+t trophies.

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garik1379 [7]

Answer-

A 95% confidence interval for the true percent of movie goers is 36.41% to 44.25%

Solution-

Given,

n = 600 (sample size)

x = 252 (number of people who bought)

Confidence interval = 95%, so z = 1.96

We know that,

$\mu = M\pm Z(SE)$

where,

M = sample mean

Z = Z statistic determined by confidence level

SE = standard error of mean

Calculating the values,

$M=\frac{x}{n} =\frac{242}{600} =0.4033$

$Z=1.96$ from the tables

$SE=\sqrt{\frac{M\times (1-M)}{n}}$

$\Rightarrow SE=\sqrt{\frac{0.4033\times (1-0.4033)}{600}}=0.02$

Putting all the values in the formula,

$\mu = M\pm Z(SE)$

$\mu = 0.4033\pm 1.96(0.02)$

$=0.4033\pm 0.0392$

$=0.4425, 0.3641$

$= 44.25\%,36.41\%$

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2 years ago

Split 63 into the ratio 4:3

ladessa [460]

Answer:

36 and 27

Step-by-step explanation:

4+3=7

63/7=9

9x4=36

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sergejj [24]

Answer:

Step-by-step explanation:

Parenthesis first:

5-4+1

5-4=1+1=2

18÷3×2

Divide:

18÷3×2

Multiply:

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