Use the appropriate normal distribution to approximate the resulting binomial distribution. A fair coin is tossed 25 times. What is the probability of obtaining more than 12 heads? (Round your intermediate calculations to 2 decimal places.)

Use the appropriate normal distribution to approximate the resulting binomial distribution. A fair coin is tossed 25 times. What is the probability of obtaining more than 12 heads? (Round your intermediate calculations to 2 decimal places.)

Calculus For The Life Sciences

2nd Edition

ISBN:9780321964038

Author:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Publisher:GREENWELL, Raymond N., RITCHEY, Nathan P., Lial, Margaret L.

Chapter12: Probability

Section12.4: Discrete Random Variables; Applications To Decision Making

Problem 1E

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Question

Use the appropriate normal distribution to approximate the resulting binomial distribution.

A fair coin is tossed 25 times. What is the probability of obtaining more than 12 heads? (Round your intermediate calculations to 2 decimal places.)

Features Features Normal distribution is characterized by two parameters, mean (µ) and standard deviation (σ). When graphed, the mean represents the center of the bell curve and the graph is perfectly symmetric about the center. The mean, median, and mode are all equal for a normal distribution. The standard deviation measures the data's spread from the center. The higher the standard deviation, the more the data is spread out and the flatter the bell curve looks. Variance is another commonly used measure of the spread of the distribution and is equal to the square of the standard deviation.

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