Suppose that the amount of time that students spend studying in the library in one sitting is normally distributed with mean 46 minutes and standard deviation 23 minutes. A researcher observed 17 students who entered the library to study. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X N( b. What is the distribution of a? a - N( c. What is the distribution of x? æ - N(

Q: Let f(z)= z* –4z° +11z? -14z+10. Given that 1+i is a zero of f, find the other zeros of f.

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Q: Could you also help me with part e

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Q: 12. Find the z-score of 89.79 given µ= 10 and o = 79.

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A: Explanation of the answer is as follows

Q: please interpret

A: formula:      CI=x bar ± tα/2×s/√n

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.