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blsea [12.9K]
3 years ago
8

Die Roll 60 Trials Face Number Tally 1 2 2 8 3 5 4 18 5 15 6 12 Jack rolled a die 60 times and recorded the results in the table

. What could Jack expect to happen to the probability of getting a four if he increased the number of trials to 450? A) Jack has no idea what to expect. Until you actually perform the simulation you cannot predict the outcome of the results. B) Jack should see the experimental probability of getting a four to decrease and come closer to 0.167 due to the Law of Large Numbers. C) Jack should expect to see a increase in the probability of getting a four. As you increase the number of trials you increase the number of times a four occurred, which raises the probability. D) Jack should expect to see the probability of getting a four remain the same. If you increase the number of trials you can expect to see similar results as to what you got the first time, therefore the probability will not change.
Mathematics
2 answers:
Lapatulllka [165]3 years ago
7 0

Answer:

D

Step-by-step explanation:

babunello [35]3 years ago
6 0

Answer:

B

Step-by-step explanation:

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Answer: 2 1/4

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3 years ago
7. how many tiles measuring
Margaret [11]

Answer:

245 tiles

Step-by-step explanation:

1 meter = 100 cm

Area of bathroom = 3.5m x 2.8m = 350x280 = 9800 cm²

Area of each tile = 20cm x 20cm = 400 cm²

Total number of tiles required = 9800/400 = 245

<u>Note</u>

Strictly speaking we have to find out how many tiles can be fitted in the length and breadth of the bathroom. Since the bathroom is 350 cm wide, we can fit 350/20cm = 17.5 tiles. However, there is no concept of 1/2 tile so the question has an ambiguity. along the width, we can fit 280/10 = 14 tiles

17.5 x 14 = 245 but if the question is reworded to how many tiles do we need to purchase to floor the bathroom it would be 18 x 14 = 252

5 0
2 years ago
1.1 solve for x, where 0°&lt; x 90°. write your answer to one decimal place. 1.1.1 tanx=sin38° 1.1.2cosec( x+10°)=1.345​
snow_lady [41]

The value of x in tan(x)=sin38° is 31.6 and the value of x in cosec(x+10°)=1.345​ is 38.0

<h3>How to solve the trigonometry ratios?</h3>

The equations are given as:

tan(x)=sin38°

cosec( x+10°)=1.345​

In tan(x)=sin38°, we have:

tan(x)=0.6157

Take the arc tan of both sides

x = 31.6

Also, we have:

cosec(x+10°)=1.345​

Take the inverse of both sides

sin(x+10°) = 0.7434

Take the arc sin of both sides

x+10 = 48.0

Subtract 10 from both sides

x = 38.0

Hence, the value of x in tan(x)=sin38° is 31.6 and the value of x in cosec(x+10°)=1.345​ is 38.0

Read more about trigonometry ratios at:

brainly.com/question/11967894

#SPJ1

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2 years ago
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astraxan [27]

Answer:

the diagonal measurement from corner A to corner B=15 inches

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