# Question

For the standard normal distribution, what is the area within three standard deviations of the mean?

## Answer to relevant Questions

Find the area under the standard normal curve a. Between z = 0 and z = 1.95 b. Between z = 0 and z = –2.05 c. Between z = 1.15 and z 2.37 d. From z = 1.53 to z = –2.88 e. From z = –1.67 to z = 2.24 Find the area under the standard normal curve a. From z = 0 to z = 3.94 b. Between z = 0 and z = –5.16 c. To the right of z = 5.42 d. To the left of z = –3.68 Find the z value for each of the following x values for a normal distribution with µ = 30 and σ = 5. a. x = 39 b. x = 19 c. x = 24 d. x = 44 Let x be a continuous random variable that has a normal distribution with a mean of 117.6 and a standard deviation of 14.6. Find the probability that x assumes a value a. Between 77.9 and 98.3 b. Between 85.3 and 142.6 The Bank of Connecticut issues Visa and MasterCard credit cards. It is estimated that the balances on all Visa credit cards issued by the Bank of Connecticut have a mean of $845 and a standard deviation of $270. Assume that ...Post your question

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