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kupik [55]
2 years ago
15

Construct a 96% confidence interval if a sampling distribution has a mean of 20, standard deviation of 5, and size of 100?

Mathematics
1 answer:
garik1379 [7]2 years ago
6 0

Answer:

wryestudrytfuygiuhi'ojpokplkojih;uglyfkdtrjsezdfxh jshfxdgjcfkhgvbj.k/nl

Step-by-step explanation:

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2 years ago
Simplify the expression using properties of exponents. 25a^-5b^-8/5a^4b
ivanzaharov [21]

Answer: The simplification is 5*a^{-9}*b^{-9}

Step-by-step explanation:

Here we need to use the property:

\frac{a^n}{a^m} = a^{n - m}

We have the expression:

\frac{25*a^{-5}*b^{-8}}{5*a^{4}*b}

We can separate it in parts with the same base, then we can rewrite this as:

\frac{25*a^{-5}*b^{-8}}{5*a^{4}*b} = \frac{25}{5} \frac{a^{-5}}{a^4} \frac{b^{-8}}{b}

Using the first property we can rewrite this as:

\frac{25}{5} \frac{a^{-5}}{a^4} \frac{b^{-8}}{b} = 5*a^{-5 - 4}*b^{-8 - 1} = 5*a^{-9}*b^{-9}

6 0
3 years ago
a cars fuel tank can hold 20 gallons of gas total it is only half full you stop and buy 5 gallons of gas how full is he fuel tan
Gelneren [198K]
20÷2=10 ( gallons half full)

10+5=15 ( gallons you add)

The tank has 15 gallons and is 75% full
8 0
2 years ago
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