Question
Josue flipped his lucky coin 19 times and got 9 heads. Josue used these numbers to estimate the probability of getting a head with his
Josue flipped his lucky coin 19 times and got 9 heads. Josue used these numbers to estimate the probability of getting a head with his lucky coin.
What is the estimated probability of Josue flipping a head with his lucky coin?
Number
(Write your answer as a decimal rounded to 3 decimal places)
Find the margin of error for Josue's estimated probability above.
Number
(Write your answer as a decimal rounded to 3 decimal places)
Create a confidence interval for the chance of flipping a head with Josue's lucky coin.
Number to Number
(Write your answers as a decimal rounded to 3 decimal places)
Can Josue conclude that the probability of flipping a head with his lucky coin is actually different from 0.5?
Yes, the probability of flipping a head with Josue's lucky coin was shown to be 0.474, which is clearly different from 0.5.
Yes, the 95% confidence interval does not contain 50% so this shows evidence that the true probability of flipping a head for Josue's lucky coin is not 0.5.
No, the 95% confidence interval contains 50% as a possibility so it would be illogical to think that Josue's lucky coin has a probability different from 0.5 based on his sample of data.
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