Saturday

January 31, 2015

January 31, 2015

Posted by **Komal** on Tuesday, October 23, 2012 at 4:46pm.

1. What is the probability of a particular score being greater than 110?

2. What is the probability of a particular score being less than 50?

- stats -
**MathGuru**, Tuesday, October 23, 2012 at 6:12pmUse z-scores:

z = (x - mean)/sd

Your data:

x = 110, 50

mean = 100

sd = 20

Calculate both z-scores. Use a z-table to determine probability for each score.

I hope this will help get you started.

**Answer this Question**

**Related Questions**

statistics - A population of scores is normally distributed with a μ = 40, ...

stats - Use normal approximation(Z-score for p-hat) to find the probability that...

Stats - a raw score on a particular intelligence test is known to be ...

Statistics - A normal distribution has a mean of ƒÝ = 100 with ƒã = 20. If one ...

Statistics - A population has u=100 σ=20. If you select a single score from...

Statistics - Step 2 - Transform the sample mean into a z-score (p. 133) x̅...

probability and statistics - the population of sat scores forms a normal ...

stats - Suppose we have a population of scores with a mean (μ) of 200 and a...

stats - A normal distribution has a mean of µ = 28 with σ = 5. What is the ...

statistics - The population of SAT scores forms a normal distribution with a ...