Several drugs are used to treat diabetes. A sales specialist for a leading pharmaceutical company needs an estimate of the number of new prescriptions that were written during a particular month for his company’s new diabetes drug. The numbers of new prescriptions in a random sample of 25 sales districts are as follows:210 240 190 275 290 185 223 190 185 192265 312 284 261 243 168 240 170 187 190215 240 210 235 290a. Find a 90% confidence interval for the average number of new prescriptions written for this new drug among all the sales districts. State the assumptions.b. Calculate the widths for 95% and 98% confidence intervals.

Several drugs are used to treat diabetes. A sales specialist for a leading pharmaceutical company needs an estimate of the number of new prescriptions that were written during a particular month for his company’s new diabetes drug. The numbers of new prescriptions in a random sample of 25 sales districts are as follows:210 240 190 275 290 185 223 190 185 192265 312 284 261 243 168 240 170 187 190215 240 210 235 290a. Find a 90% confidence interval for the average number of new prescriptions written for this new drug among all the sales districts. State the assumptions.b. Calculate the widths for 95% and 98% confidence intervals.

Name: Several drugs are used to treat diabetes. A sales specialist for a lea
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Description: Several drugs are used to treat diabetes. A sales specialist for a leading pharmaceutical company needs an estimate of the number of new prescriptions that were written during a particular month for his company’s new diabetes drug. The numbers of new

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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