The FDA regulates that a fish that is consumed is allowed to contain at most 1 mg/kg of mercury. In Florida, bass fish were collected in 50 different lakes to measure the amount of mercury in the fish from each of the 50 lakes. Do the data provide enough evidence to show that the fish in all Florida lakes have lower mercury than the allowable amount? State the random variable, population parameter, and hypotheses. a) The symbol for the random variable involved in this problem is ? v The wording for the random variable in context is as follows: Select an answer b) The symbol for the parameter involved in this problem is ? The wording for the parameter in context is as follows: Select an answer c) Fill in the correct null and alternative hypotheses: Но: HA:

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Percentage

A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.

Algebraic Expressions

In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.

Numbers

Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.

Subtraction

Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.

Addition

Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.