**Chapter 6: Sections 6.1 through 6.4** **Find the mean and standard deviation for each binomial random variable:** **a. \( n = 55, \pi = 0.90 \)** (Round your mean value to 2 decimal places and standard deviation to 4 decimal places.) | | | |----------|---------------| | Mean | \_\_\_\_\_ | | Standard deviation | \_\_\_\_\_ | **b. \( n = 94, \pi = 0.70 \)** (Round your mean value to 2 decimal places and standard deviation to 4 decimal places.) | | | |----------|---------------| | Mean | \_\_\_\_\_ | | Standard deviation | \_\_\_\_\_ | **c. \( n = 46, \pi = 0.85 \)** (Round your mean value to 2 decimal places and standard deviation to 4 decimal places.) | | | |----------|---------------| | Mean | \_\_\_\_\_ | | Standard deviation | \_\_\_\_\_ |

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