Problems X is a normally normally distributed variable with mean μ = 30 and standard deviation σ = 4. Find a) P (x 21) c) P (30 < x < 35) A radar unit is used to measure speeds of

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The quadratic equation is one of the most important equations in mathematics. It is used to solve problems in a wide variety of fields, from physics to engineering.

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Homework is a necessary part of school that helps students review and practice what they have learned in class.

I'm using it essentially to get some practice on some statistics problems. So here, number 2. The grades on a statistics midterm for a high school are normally distributed with a mean of 81 and

The empirical rule, or the 68-95-99.7 rule, tells you where most of your values lie in a normal distribution: Around 68% of values are within 1 standard deviation from the mean. Around 95% of values are within 2 standard