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Deviation

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and the standard error of the mean is type your answer...

and the upper bound is type your answer...

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10 points

Copy and paste this sheet into your excel software to calculate the mean number of genes that are regulated by a regulatory gene in yeast. Then

calculate the variance, standard deviation & standard error. Finally, use the 25E rule of thumb (Ch 4 in your textbook) to estimate the 95%

confidence interval for the mean. Report your answer to 2 decimal places, and include leading zeros for values less than one.

The variance is type your answer...

The lower bound of the 95% confidence

The standard

The mean number of genes regulated by a regulatory gene is type your answer...

deviation is type your answer.....

interval is type your answer...

5 points

Among women voluntarily tested for sexually transmitted diseases in one university, 27.48% tested positive for human papilloma virus (HPV) only.

2.12% tested positive for Chlamydia only, and 2.92 % tested for both HPV and Chlamydia. Calculate the probability that a woman from this university

who gets tested would test positive for either HPV or Chlamydia. Report your answer to two decimal places.

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