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.
1 Cancer. 2  Your risk of certain types of cancer increases if you use chewing tobacco or other types of smokeless tobacco. 3  This includes esophageal cancer and various types of oral cancer, including cancers of your mouth, throat, cheek, gums, lips and tongue. 4  You also face an increased risk of pancreatic cancer.ike cigarettes, smokeless tobacco also contains nicotine, which can cause you to become addicted. Here's a look at some of the health problems related to smokeless tobacco: 1  Addiction. 2  Because smokeless tobacco contains nicotine, you can get addicted, just as you can with cigarettes and other tobacco products.