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3 years ago

Find three consecutive odd integers such that the sum of the smaller two is three times the largest increased by seven

Mathematics

2 answers:

Novosadov [1.4K]3 years ago

3 0

three consecutive odd integers are : -17,-15,-13

vovangra [49]3 years ago

3 0

Three consecutive odd integers are : -17,-15,-13
-17 + -15 = -32 = 3(-13) + 7 CHECKS!

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An article in the Washington Post on March 16, 1993 stated that nearly 45 percent of all Americans have brown eyes. A random sam

telo118 [61]

Answer:

The z-statistic for this test is -1.547 and P-value of the test is 0.0618

Step-by-step explanation:

An article in the Washington Post on March 16, 1993 stated that nearly 45 percent of all Americans have brown eyes.

We are given that A random sample of n=82 C of I students found 30 with brown eyes.

n = 82

x = 30

$H_0:p=0.45\\ H_a:p\neq0.45$

Now to find z statistic we will use one sample proportion test

$\widehat{p}=\frac{x}{n}$

$\widehat{p}=\frac{30}{82}$

$\widehat{p}=0.365$

Formula of test statistic = $\frac{\widehat{p}-p}{\sqrt{\frac{p(1-p)}{n}}}$

= $\frac{0.365-0.45}{\sqrt{\frac{0.45(1-0.45)}{82}}}$

= $-1.547$

So, the z-statistic for this test is -1.547

Now refer the z table for p value .

p value = 0.0618

The P-value of the test is 0.0618

Hence the z-statistic for this test is -1.547 and P-value of the test is 0.0618

6 0

3 years ago

Is 28 cups greater or less than 14 Pints

marissa [1.9K]

Short answer: NO.

28 cups is exactly equal to 14 pints. (There are 2 cups per pint.)

3 0

4 years ago

An isometry preserves distance. <br> True <br> False

Daniel [21]

True
I could be wrong.

7 0

4 years ago

Read 2 more answers

URGENT!!!

allsm [11]

Answer:

inequality form -2<x<5

interval notation (-2,5)

sure of my answer

−Step-by-step explanation:

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3 years ago

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PLEASE HURRY Read a text trailer for the movie Harry Potter and the Sorcerer’s Stone. Harry Potter seems at first glance normal,

V125BC [204]

Answer:

Step-by-step explanation:

Which statement in the trailer is the hook?

A) Harry Potter seems at first glance normal, a boy living an unusual life with his dull and rather mean Dursley relatives.

B) However, on Harry’s eleventh birthday, he learns from a mysterious stranger, Rubeus Hagrid, that he is actually a famous wizard.

C) Forbidden by his uncle from seeking out his magical destiny, letters rain down inviting Harry to attend the magic school of Hogwarts.

D) What follows is an adventure story of intrigue, discoveries, and sacrifice.

In order of events:

A, C, B, D

A is where the story begins so it would be the best chose. It should catch you and make you want to know more. Also, the hook is usually the first sentence.

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4 years ago