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aliina [53]
3 years ago
15

Gloria collected data from a random sample of 1200 students in her school district asking whether or not they read more than one

book per month. Based on the results, she reports that 35% of the students in all state schools read more than one book per month. Why is this statistic misleading?O The data contains an outlier. O The sample size is insufficient. O The sample is biased. O The statistic contains a calculation error.
Mathematics
1 answer:
Vitek1552 [10]3 years ago
5 0

Answer: Sample is biased

Step-by-step explanation:

In her experiment, Gloria assumes that the reading habits of the students in her school district are exactly the same to that of students in all state schools. This assumption is unlikely to be true and, therefore, this statistic is misleading because the sample used is biased.

From her data, all Gloria can do is report the percentage of students that read more than one book per month in her school district

Step-by-step explanation:

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In tossing four fair dice, what is the probability of tossing, at most, one 3
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<u>Answer- </u>

In tossing four fair dice, the probability of getting at most one 3 is 0.86.

<u>Solution-</u>

The probability of getting at most one 3 is, either getting zero 3 or only one 3.

P(A) =The \ probability \ of \ getting \ zero \ 3 =(\frac{5}{6})(\frac{5}{6})(\frac{5}{6})(\frac{5}{6})=\frac{625}{1296} =0.48                    ( ∵ xxxx )

P(B) = The \ probability \ of \ getting \ only \ one \ 3 =(4)(\frac{1}{6})(\frac{5}{6})(\frac{5}{6})(\frac{5}{6}) = 0.38                    ( ∵ 3xxx, x3xx, xx3x, xxx3 )

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7 0
3 years ago
Jillian is using integer tiles to add 7 + (negative 2). She uses the steps below. Step 1 7 positive tiles. Step 2 7 positive til
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Answer:

<h3>Step 4</h3>

Step-by-step explanation:

Given the expression 7+(-2)

Let 7 be 7 positive tiles since it is a positive number

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Hence the expression gives 5 positive tiles not 2 positive tiles according to Jillian calculations in step 4.

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7 0
3 years ago
Read 2 more answers
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They are not equivalent, try adding in numerical values for x, both do not come out the same.
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