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Guide Question

1.How to identify regions under the normal curve that correspond to different standard normal values
2. How to convert a normal random variable to a standard normal variable and vice versa
3. How to compute probabilities and percentiles using the standard normal distribution


pa help namn po ty?​

Sagot :

Mygacc1idn

Answer:

1. To calculate the area under a normal curve, we use a z -score table.

2. Any point (x) from a normal distribution can be converted to the standard normal distribution (z) with the formula z = (x-mean) / standard deviation.

3.If you're given the probability (percent) greater than x and you need to find x, you translate this as: Find b where p(X > b) = p (and p is given). Rewrite this as a percentile (less-than) problem: Find b where p(X < b) = 1 – p. This means find the (1 – p)th percentile for X.