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2 years ago

The spinner at the right is spun. what is the probability to spin a blue or red? Write your

1 answer:

5 0

Answer: The chances of landing on blue are 1 in 4, or one fourth. The chances of landing on red are 1 in 4, or one fourth.

Step-by-step explanation:

Reduce 1/4 to lowest terms14 is already in the simplest form. It can be written as 0.25 in decimal form (rounded to 6 decimal places). Steps to simplifying fractions find the GCD (or HCF) of numerator and denominator GCD of 1 and 4 is 1 divide both the numerator and denominator by the GCD1 ÷ 14 ÷ 1 reduced fraction: 14Therefore, 1/4 simplified to lowest terms is 1/4.

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Megan buys 5 boxes of cookies for $3.75 each. What is her change from $20.00? Explain your answer.

fgiga [73]

Answer:

$1.25

Step-by-step explanation:

3.75 x 5 = 18.75

20-18.75 = 1.25

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3 years ago

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The proportion of junior executives leaving large manufacturing companies within three years is to be estimated within 3 percent

Leona [35]

Answer: 709

Step-by-step explanation:

The formulas we use to find the required sample size :-

1. $n=(\dfrac{z^*\cdot \sigma}{E})^2$

, where $\sigma$ = population standard deviation,

E = Margin of error .

z* = Critical value

2. $n=p(1-p)(\dfrac{z^*}{E})^2$ , where p= prior estimate of population proportion.

3. If prior estimate of population proportion is unavailable , then we take p= 0.5 and the formula becomes

$n=0.25(\dfrac{z^*}{E})^2$

Given : Margin of error : E= 3% =0.03

Critical value for 95% confidence interval = z*= 1.96

A study conducted several years ago revealed that the percent of junior executives leaving within three years was 21%.

i.e. p=0.21

Then by formula 2., the required sample size will be :

$n=0.21(1-0.21)(\dfrac{1.96}{0.03})^2$

$n=0.21(0.79)(65.3333)^2$

$n=(0.1659)(4268.44008889)\\\\ n=708.134933333\approx709$ [Round to the next integer.]

Hence, the required sample size of junior executives should be studied = 709

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4 years ago

Order these numbers from Least to Greatest 4,209 2,438 4,703 3,026

Virty [35]

2,438 3,026 4,209 4,703

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4 years ago

Create a number sentence using at least 4 categories of PEMDAS to arrive at an answer of 1

atroni [7]

Answer:

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Step-by-step explanation:

Parenthesis, multiplication, division, addition, and subtraction

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3 years ago

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3 years ago

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