You have two biased coins. coin a comes up heads with probability 1 / 4. coin b comes up heads with probability 3 / 4. however, you are not sure which is which, so you choose a coin randomly and you flip it. if the flip is heads, you guess that the flipped coin is b; otherwise, you guess that the flipped coin is a. a) True b) False

Answers

Answer 1

Answer: False. To get an accurate answer, you should flip the coin at least 4 times.

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Rewrite using a negative exponent.

5/x^2

Answers

13.591409x3 i believe hope it heloped

Write the ratio as a fraction in simplest form, with whole numbers in the numerator and denominator.12 kg to 28 kg

Answers

Answer:

28/12

Step-by-step explanation:

Probability theory predicts that there is a 22.4% chance of a particular soccer player making four penalty shots in a row. If the soccer player taking four penalty shots is simulated 2500 times, in about how many of the simulations would you expect at least one missed shot?

Answers

If there is a 22.4% chance that a soccer player will make 4 shots in a row, then the probability that he/she WON'T make 4 shots in a row is...

100 -22.4 = 77.6%

So the number of simulations that he/she will miss at least one shot in 2500 simulations would be...

2500 x 77.6% =
2500 x .776 = 1940

What is the sum of the exterior angle measures for a regular pentagon?

Answers

360 that would be I think

Answer:

360

Step-by-step explanation:

deltamath

Which of the following types of statement cannot be used to explain the steps of a proof? Check all that apply. A.Postulate B.Guess C.Conjecture D.Theorem

Answers

Answer:

Guess and Conjecture

Step-by-step explanation:

Conjecture is simply an opinion gotten from an incomplete information .Fro example. 10 boys selected from Nigeria were served pizza. None of them ate pizza.

it is a conjecture to conclude that all the males in Nigeria do not eat pizza, because the information is incomplete

Guess is almost similar to conjecture. It is conclusion from incomplete information. It is based on one's personal opinion. Guess can be true or false. it is underprobaility and hence cant be banked upon to explain a proof.

Answer:

guess, conjecture

Step-by-step explanation:

ABC is a straight angle.which equation can be used to find the measure of the unknown angle?

Answers

Answer:

140 x 180

Step-by-step explanation:

Final answer:

Explanation:

To find the measure of the unknown angle in a straight angle ABC, you can use the equation A = A + A. This equation is derived from the Pythagorean theorem, which relates the legs of a right triangle to the length of the hypotenuse. In a straight angle, the two legs are equal, so the equation simplifies to A = 2A. Therefore, the measure of the unknown angle is twice the measure of one of the legs

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The amount of money in an account with continuously compounded interest is given by the formula A = Pert , where P is the principal, r is the annual interest rate, and t is the time in years. Calculate to the nearest hundredth of a year how long it takes for an amount of money to double if interest is compounded continuously at 3.1%. Round to the nearest tenth.