Ryan set a table with a fork, knife, and spoon for each dinner guest. He used a total of 36 pieces of silverware. Which number s
1 answer:
Answer:
The Number sentence 36 ÷ 3 will be used to find number of guest invited in Ryan dinner.
There were 12 guests invited to Ryan's dinner.
Step-by-step explanation:
Given:
Total Number of pieces = 36 pieces.
Also Given:
Ryan set a table with a fork, knife, and spoon for each dinner guest.
From above we can conclude that;
Number of Piece for each Dinner guest = 3 piece.
We need to find the number of guest invited in Ryan dinner.
number of guest invited in Ryan dinner will be equal to Total Number of pieces used for guest divided by Number of Piece for each Dinner guest.
framing in equation form we get;
number of guest invited in Ryan dinner =
Hence The Number sentence 36 ÷ 3 will be used to find number of guest invited in Ryan dinner.
Also There were 12 guests invited to Ryan's dinner.
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Answer:
We are given that Among 180 homes in Hyde Park, 25 were found to have unsafe radon levels. Among 230 homes in La Grange, 50 were found to have unsafe radon levels.
Claim : the two towns have different rates of unsafe radon levels.
Let and
be the rates of unsafe radon levels of Hyde Park and LaGrange respectively .
Among 180 homes in Hyde Park, 25 were found to have unsafe radon levels
So,
Among 230 homes in La Grange, 50 were found to have unsafe radon levels.
So,
We will use Comparing Two Proportions
Formula of test statistic :
Substitute the values
test statistic :
test statistic : −2.053
Refer the z table for p value
p value = 0.0202
α= 0.05
Since p value < α
So, we reject the null hypothesis that the two towns have same rates of unsafe radon levels.
So, Claim is true.