What do you conclude about the claim below? Do not use formal procedures or exact calculations. Use only the rare event rule and make a subjective estimate to determine whether the event is likely.
Claim: An employee of a company is equally likely to take a sick day on any day of the week. Last year, the total number of sick days taken by all the employees of the company was 143. Of these, 52 were Mondays, 14 were Tuesdays, 17 were Wednesdays, 17 were Thursdays, and 43 were Fridays.
Question 2
To be able to say with 95 confidence level that the standard deviation of a data set is within 10 of the population's standard deviation, the number of observations within the data set must be greater than or equal to what quantity?
A) 250 B) 805 C) 191 D) 335
.
Question 3
In one county, the conviction rate for speeding is 85. Estimate the probability that of the next 100 speeding summonses issued, there will be at least 90 convictions.
A) 0.0420 B) 0.8962 C) 0.1038 D) 0.3962
Instructions for Completing the CMS-1500 (02/12) Claim Form Continued
A completed CMS-1500 (02/12) claim form.
Select of Primary and Secondary Procedures
Procedures and Diagnostic Tests Related to the Urinary System
CALCULATIONS
Use the Henderson-Hasselbalch equation to perform the following calculations.