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Author Question: The expected value of the discrete random variable x is , a weighted average of all possible values ... (Read 63 times) |
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
Approximately 15–25% of recognized pregnancies end in miscarriage. However, many miscarriages often occur before a woman even knows she is pregnant.
Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.
Studies show that systolic blood pressure can be significantly lowered by taking statins. In fact, the higher the patient's baseline blood pressure, the greater the effect of statins on his or her blood pressure.
The human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.