11% of all cats in the United States have FIV (Feline Immuno…
11% of all cats in the United States have FIV (Feline Immunodeficiency Virus). An animal scientist takes a random sample of 188 cats, tests them for FIV, and finds that 8% of them test positive. Is the sample size condition for Central Limit Theorem satisfied?
Read DetailsOne common disease among pediatric patients is streptococcal…
One common disease among pediatric patients is streptococcal pharyngitis (strep throat). If a pediatric patient comes in to the pediatricians feeling ill, there is a 26% chance that they have strep throat. A doctor sees 7 pediatric patients on a particular day (assume these patients are independent). Consider the random variable is a binomial random variable such that X = number of pediatric patients with strep throat. What is the chance that at least one of them has strep throat?
Read DetailsThe length of pregnancies of elephants is normally distribut…
The length of pregnancies of elephants is normally distributed, and has a mean of 525 days (1.4 years) and standard deviation of 33 days. What is the 95th percentile of elephant pregnancies? (Round to the nearest whole number).
Read DetailsA client arrives to the ED with nausea, cool clammy skin, ta…
A client arrives to the ED with nausea, cool clammy skin, tachycardia restless ness, mild confusion and recent episodes of large amounts of melena. The client has a history of cirrhosis. Which of the following would the nurse anticpate being ordered to confirm diagnosis?
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