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Y_Kistochka [10]
2 years ago
8

A man claims to have extrasensory perception (ESP). As a test, a fair coin is flipped 23 times, and the man is asked to predict

the outcome in advance. He gets 19 out of 23 correct. What is the probability that he would have done at least this well if he had no ESP?
Probability =
Mathematics
1 answer:
spin [16.1K]2 years ago
3 0

The probability that he would have done at least this well if he had no ESP is 4/23.

<h3>How to illustrate the information?</h3>

Probability refers to possibility. A random event's occurrence is the subject of this area of mathematics. The range of the value is 0 to 1. Mathematics has incorporated probability to forecast the likelihood of various events.

It should be noted that from the information, the man claims to have extrasensory perception and as a test, a fair coin is flipped 23 times, and the man is asked to predict the outcome in advance and he gets 19 out of 23 correct.

Therefore, the probability that he would have done at least this well if he had no ESP will be:

= 1 - (19 / 23)

= 4/23

Therefore, the probability is 4/23.

Learn more about probability on;

brainly.com/question/25870256

#SPJ1

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Nadia needs one cup of ice cream for every student in her class for their year-end party. The ice cream is only sold in pints. I
hoa [83]

The pints of ice cream for the students is an illustration of metric units

Nadia needs 12 pints of ice cream for the 24 students

<h3>How to determine the pints of ice cream?</h3>

The given parameter is:

Students = 24

She needs one cup for each student in the class.

So, the number of cups needed is:

Cups = 24

1 cup makes 1/2 pint.

So, we have:

Pint = 1/2 * 24

Pint = 12

Hence, Nadia needs 12 pints of ice cream for the 24 students

Read more about metric units at:

brainly.com/question/2004114

3 0
2 years ago
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Alex73 [517]

Reflecting across the y axis followed by rhe x atation 180 degrees clockwise

Rotation 180 counterclowise

4 0
4 years ago
A man walks 4km from point x due east of point Y. The bearing of a flag point x and y are due N80°W and N40°E respectively. Find
In-s [12.5K]

The distance of the flag pole from point Y is 0.8 km and it is placed at an bearing of N40°E

<h3>What is an equation?</h3>

An equation is an expression that shows the relationship between two or more numbers and variables.

Sine rule shows the relationship between the sides and angles of a triangle.

The triangle formed has angles A = 10°, B = 50°, C = 120°, c = 4 km, a = distance from point y.

Hence:

a / sinA = c / sinC

a / sin(10) = 4 / sin(120)

a = 0.8 km

The distance of the flag pole from point Y is 0.8 km and it is placed at an bearing of N40°E

Find out more on equation at: brainly.com/question/2972832

#SPJ1

3 0
2 years ago
Please help me with this question.
Sedbober [7]

Answer:

A)c=130/20

B)6.5 calories

Step-by-step explanation:

in one minute the calories burnt are

the equation would be

20 min.=130 calories

1 min.=?c

c=130÷20

part B=130÷20

=6.5 CALORIES

7 0
3 years ago
How would you round the numbers 33 and89
Effectus [21]
33 would be 30 and 89 would be 90
4 0
3 years ago
Read 2 more answers
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