Binomial Random Variables Instructions: Answer the probability questions based on the given scenario. Use the binomial distribution table. Fifteen percent of cellphone users use their cell phones to access the Internet. In a random sample of 10 cell phone users, what is the probability that: 1. Exactly 2 have used their phones to access the Internet? P(r = + V )=| 0.275897 2. More than 2 have used their phones to access the Internet? P(x 2 v )= 0.179804 3. At least 8 have used their phones to access the Internet? P(x V 8 v )= 0.000009 4. No more than 5 have used their phones to access the Internet? P(xs V)= 0.998617 * 5. Between 1 and 3 people, exclusive, have used their phones to access the Internet? P( 3 v )= 0.275897
Quadratic Equation
When it comes to the concept of polynomial equations, quadratic equations can be said to be a special case. What does solving a quadratic equation mean? We will understand the quadratics and their types once we are familiar with the polynomial equations and their types.
Demand and Supply Function
The concept of demand and supply is important for various factors. One of them is studying and evaluating the condition of an economy within a given period of time. The analysis or evaluation of the demand side factors are important for the suppliers to understand the consumer behavior. The evaluation of supply side factors is important for the consumers in order to understand that what kind of combination of goods or what kind of goods and services he or she should consume in order to maximize his utility and minimize the cost. Therefore, in microeconomics both of these concepts are extremely important in order to have an idea that what exactly is going on in the economy.
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