Ateacher plans a simulation to estimate the probability that a student will pick a vowel out of a bag of 26 tiles, each with a different letter if the alphabet. she assigns the number 1 to represent a vowel and the number 2 to represent a consonant in a simulation with 120 randomly generated results. will her simulation be fair representation of actural result?

No, because the probabilities of drawing a vowel versus a consonant are not equally likely.

Step-by-step explanation:

gradpoint

Yes

Step-by-step explanation:

Given that a teacher prepares 26 tiles with 5 vowels numbered 1 and 21 consonants numbered 2.

The probability for drawing vowel =

Prob for consonant =

If number of trials is atleast 30 we can expect reliable results.

Here the results are recorded for 120 times at random.

Since number of trials is large, we can expect a reliable and accurate results representing the actual probability.

This is because more the number of trials, the less would be the margin of error i.edeviationfrom the expected probability would be minimum

answer: asdfghjkl,mnbv

step-by-step explanation:

percentage - 25%

probability - 0.25

we know,

total amount of students in class = 20

total boys = 10

total girls = 10

no of girls who wear glasses = 10/2 = 5

probability of choosing a girl with glasses is =

number of girls wearing glasses/total number of students in the class = 5/20

thus, percentage of selecting a girl wearing glasses will be

= 5/20 × 100

= 5 × 5

25%

therefore,

probability will be 0.25

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