3 years ago

Which would the phrase "the difference between a number and 5" look like as a variable expression?

Mathematics

1 answer:

zloy xaker [14]3 years ago

3 0

The phrase “the difference between a number and 5” as a variable expression would look like: x - 5

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We accept H₀

Step-by-step explanation:

Normal Distribution

size sample n = 69

sample mean 18.94

standard deviation 8.3

Is a one tailed-test to the left we are traying of find out is we have enough evidence to say that the mean is less than 20 min.

1.-Test hypothesis H₀ ⇒ μ₀ = 20

Alternative hypothesis Hₐ ⇒ μ₀ < 20

2.- Critical value

for α = 0.1 we find from z Table

z(c) = - 1.28

3.-We compute z(s)

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Answer:

Step-by-step explanation:

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3 years ago

Which would the phrase "the difference between a number and 5" look like as a variable expression?​

Which would the phrase "the difference between a number and 5" look like as a variable expression?