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Tcecarenko [31]
2 years ago
8

Type the correct answer in the box. Round your answer to the nearest hundredth.

Mathematics
1 answer:
HACTEHA [7]2 years ago
8 0

if you add 55% and 45% the total is 100% so 45/100 are girls.  35% of the girls scored and A  so 35/45  is the probability that it is a girl chosen or 7/9. the probability is 7 out of 9.

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5 0
2 years ago
A researcher drilled a hole in a die and filled it with a lead​ weight, then proceeded to roll it 209 times. The observed freque
ddd [48]

Answer:

Step-by-step explanation:

Given that the observed frequencies for the outcomes as follows:

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H_0: equally likely\\H_a: not equally likely

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1 36 34.83333333 0.03907496

2 30 34.83333333 0.670653907

3 41 34.83333333 1.091706539

4 40 34.83333333 0.766347687

5 23 34.83333333 4.019936204

6 39 34.83333333 0.498405104

   

209 209          7.086124402

p value =0.214

Since p >alpha, we accept null hypothesis

It appears that the  loaded die does not behave differently than a fair​ die at 5% level of significance

5 0
3 years ago
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7 0
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For what value of x is the rational expression below undefined?
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4 0
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Read 2 more answers
Which of the following will NOT improve your credit score?
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