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Ulleksa [173]
3 years ago
8

A company says that the probability of finding an all-star card in a game pack is 12.5%. A student wants to determine the probab

ility that, if he buys 6 game packs, 2 or more will have an all-star card. To do this, he uses a random number table to pick 6 numbers from 1 to 8. He lets 1 represent a pack with an all-star card and 2 through 8 represent a pack without an all-star card. He repeats this for a total of 15 trials. The results are shown in the table. 561673 366468 314255 361362 838443 126285 257231 768551 652585 468113 123711 322764 487626 783134 384664 Select from the drop-down menus to correctly complete each statement. To estimate the probability that 2 or more out of 6 packs will have an all-star card, the student must count the number of trials with and divide by the number of trials. This gives an estimated probability of about . 20 pts for the first one to answer and if it is correct you get brainiest answer
Mathematics
2 answers:
Blababa [14]3 years ago
7 0

Answer:

The estimated probability is about:

0.1333=13.33%

Step-by-step explanation:

It is given that:

The probability of finding an all-star card in a game pack is 12.5%.

A student wants to determine the probability that, if he buys 6 game packs, 2 or more will have an all-star card.

He uses a random number table to pick 6 numbers from 1 to 8.

He lets 1 represent a pack with an all-star card and 2 through 8 represent a pack without an all-star card.

The results of 15 trials are given as:

561673   366468    314255    361362    838443   126285    257231   768551    652585    468113    123711    322764    487626    783134    384664

So, the number of trials that have two or more 1 in it will represent the trial that 2 or more out of 6 packs will have an all-star card.

Number of trials that represent that 2 or more out of 6 packs have an all-star are:2

( Since, the trials are: 468113 and   123711 )

Hence, the estimated  probability that 2 or more out of 6 have an all-star is:

2/15=0.13333=13.33%

sveticcg [70]3 years ago
4 0

Answer:

2 or more 1s and .13

Explanation:

i took quiz :D

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EastWind [94]

AB = CD = √8 ≈ 2.8 units

BC = AD = √2 ≈ 1.4 units

Area of the rectangle ABCD = 3.92 units²

Perimeter of the rectangle ABCD = 8.4 units

<h3>How to Find the Area and Perimeter of a Rectangle?</h3>

Given the coordinates of vertices of rectangle ABCD as:

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To find the area and perimeter, use the distance formula to find the distance between A and B, and B and C.

Using the distance formula, we have the following:

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BC = √[(2−3)² + (4−3)²]

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Answer:

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Step-by-step explanation:

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A = n * n

A = n²

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Substitute n² for A and n - 1 for h

The expression becomes

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Volume = ⅓n²(n-1)

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