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4 years ago

If the florist uses 10 red roses in a bouquet how many white roses does she use

Mathematics

1 answer:

Varvara68 [4.7K]4 years ago

5 0

2 white roses.

A dozen is 12.
12-10 red roses = 2 white roses

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The stadium has fixed expenses of $10,000 per event. Last month it put on three major events and spent $72,000, $47,500, and $65

mestny [16]

72,000 + 47,500 + 65,000 +(3 X 10,000)=214,500 Total costs and expenses of the stadium

482,000 - 214,500=$267,500. Hope I helped :)

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2 years ago

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3 years ago

Complete parts (a) through (c) below.

nexus9112 [7]

Answer:

a) $t_{crit}=1.34$

b) $t_{crit}=-1.33$

c) $t_{crit}=\pm 2.11$

Step-by-step explanation:

Part a

$\alpha=0.1$ represent the significance level

df =15

Since is a right tailed test the critical value is given by:

$t_{crit}=1.34$

And we can use the following excel code to find it: "=T.INV(0.9,15)"

Part b

$\alpha=0.1$ represent the significance level

n=20 represent the sample size

First we need to find the degrees of freedom given by:

$df=n-1=20-1=19$

Since is a left tailed test the critical value is given by:

$t_{crit}=-1.33$

And we can use the following excel code to find it: "=T.INV(0.1,19)"

Part c

$\alpha=0.05$ represent the significance level

n=18 represent the sample size

First we need to find the degrees of freedom given by:

$df=n-1=18-1=17$

The value of $\alpha=0.05$ and $\alpha/2 =0.025$

Since is a two tailed tailed we have two critical values is given by:

$t_{crit}=\pm 2.11$

And we can use the following excel code to find it: "=T.INV(0.025,17)"

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3 years ago