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3 years ago

Four times the difference of a number and 16.

Mathematics

1 answer:

Sunny_sXe [5.5K]3 years ago

5 0

Answer:

Step-by-step explanation:

MRK ME BRAINLIEST PLZZZZZZZZZZZ

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2 years ago

Mrs Patterson class room has sixteen empty chairs all the chairs are occupied when every student is present if 2/5 of the studen

tatyana61 [14]

40 students make up her entire class

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3 years ago

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grandymaker [24]

Answer:

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Step-by-step explanation:

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3 years ago

A hypothesis will be used to test that a population mean equals 10 against the alternative that the population mean is more than

PilotLPTM [1.2K]

Answer:

A) 2.58

B) 1.96

C) 1.65

Step-by-step explanation:

A hypothesis used to test that

$H_o : \mu = 10$

against the alternatives $H1 : \mu$ not equal to 10

if null hypothesis is true, then distribution of test statics follow

$Zo = \frac{\bar x - \mu}{\frac{\sigma}{\sqrt{n}}}$

for two sided alternatives hypothesis $( H1: \mu \neq 7)$ , then P value is

$P = 2[1- \phi(\left | Zc \right |)]$ (1)

a)significance level $\alpha = 0.01$

from 1 eq we get

$\pi (\left | Zc \right |) = P(Zo$

Therefore $\left | Zc \right | = 2.58$ FROM Z TABLE

B) significance level $\alpha = 0.05$

from 1st equation we get

$\pi (\left | Zc \right |) = P(Zo < \left | Zc \right |) = 1 - \frac{0.05}{2} = 0.975$

Therefore $\left | Zc \right | = 1.96$ FROM Z TABLE

C) significance level $\alpha = 0.10$

from 1 eq we get

$\pi (\left | Zc \right |) = P(Zo$

Therefore $\left | Zc \right | = 1.65$ FROM Z TABLE

3 0

3 years ago

determine the simple interest applied to a principle over 20 years if the total interest paid equals the borrowed principal

Over [174]

Answer:

Step-by-step explanation:

You want to find r when ...

I = Prt

is equal to P and t=20.

P = Pr·20 . . . . fill in the problem values

1/20 = r = 0.05 = 5% . . . . divide by 20P

The simple interest rate is 5%.

6 0

2 years ago