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4 years ago

There are two pizzas. Conor ate 1⁄4 of a pizza, Brandon 2⁄8, Tyler 3⁄4, and Audrey4⁄8. Who ate the most of the two pizzas

2 answers:

6 0

Tyler ate the most. if you put them all in the same fractions Conor ate 1/4, Brandon also ate 1/4, Tyler ate 3/4 and Audrey ate 2/4. if you want to go by percent then Conor and Brandon ate 25% each, Audrey ate 50% and Tyler ate 75% which means there is still 25% or 1/4 of a pizza left

Bumek [7]4 years ago

6 0

Tyler because 1/4 times 2 equal 2/8 so they are equal and 4/8 is 1 half and 3/4 is more than 1/2

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Step-by-step explanation:

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ella [17]

ANSWER:

104

STEP-BY-STEP EXPLANATION:

Given:

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We have for a confidence level of 95%:

$\begin{gathered} \alpha=100\%-95\%=5\%=0.05 \\ \\ \alpha\text{/2}=\frac{0.05}{2}=0.025 \\ \\ \text{ The corresponding Z value for \alpha/2 = 0.025 is as follows:} \\ \\ Z_{\alpha\text{/2}}=1.96 \end{gathered}$

Now, we calculate the minimum value of the sample size as follows:

$\begin{gathered} n=\left(\frac{Z_{\alpha\text{/2}}\cdot\sigma}{E}\right)^2 \\ \\ \text{ We replacing:} \\ \\ \:n=\left(\frac{1.96\cdot 700}{135}\right)^2 \\ \\ \:n=103.2858\cong104 \end{gathered}$

The minimum sample size needed is 104

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