Question:
For a population with a mean of μ=45 and a standard deviation of σ=10. What is the corresponding z score if it has a score of X = 44?
Answer:

Explanation:
Given



Required
Calculate the z score
This is calculated as:

So:



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What kinda question is this
Answer: Rana can explain what happens for it to become meteors and meteorites
Explanation:
They’re all related to the flashes of light called shooting stars sometimes seen streaking across the sky. But we call the same object by different names, depending on where it is. When a meteoroid survives a trip through the atmosphere and hits the ground, it’s called a meteorite. When meteoroids enter Earth’s atmosphere (or that of another planet, like Mars at high speed and burn up, the fireballs or “shooting stars” are called meteors. (Actually Wrote On a Old essay By Me)
Sedimentary Rock
Here's Why:
Fossils also form from molds and casts. If an organism completely dissolves in sedimentary rock, it can leave an impression of its exterior in the rock, called an external mold.
I got this information from http://www.livescience.com/37781-how-do-fossils
I hope this helps:)