If a worker at this fast food restaurant is selected at random, what is the probability that the worker earns more than $6.75? A) 27.64% B) 5.17% C) 28.77% D) 42.07%. 14. The average diameter of sand dollars on a certain island is 3.00 centimeters with a standard deviation of 0.70 centimeters.If 9 sand dollars are chosen at random for a collection, find the probability that the average diameter of those sand dollars is more than 2.790 centimeters.Assume that the variable is normally distributed. A) 0.8019 B) 0.8131 C) 0.7959 D) 0.8159. 15.. The average number of mosquitoes in a stagnant pond is 80 per square meter with a standard deviation of 8. If 16 square meters are chosen at random for a mosquito count, find the probability that the average of those counts is more than 81.6 mosquitoes per square meter.
Viruses or bacteria infect the larynx, or voice box, and cause it to. swell. That produces irritation and soreness, and changes the voice, making you sound hoarse and unable to speak above a whisper, or even. causing you to lose your voice entirely for a few days. Often, the virus. comes from another ailment, such as a cold, the flu, or bronchitis.
When stress is the cause, hair will grow back over several months. A serious deficiency in protein, iron, zinc, or other nutrients can make hair fall out. Hair loss in women can also be a symptom of a disorder such as lupus or diabetes. Some medications can cause hair loss. Common culprits include lithium, beta-blockers, warfarin, and heparin. This is an autoimmune disease that makes hair fall out in small, round patches. In some cases, it can cause total baldness. A corticosteroid applied to the scalp or injected can help.