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3 years ago

How to convert 90% into a decimal

2 answers:

6 0

The first thing you do is go two space forward like start at the o and move two spaces forward you put a decimal at 9 like this 0.90 and that's how you do it

Harrizon [31]3 years ago

4 0

Please mark as brainliest answer -

Your answer should be 0.9

Explaination-

To convert from percantage to decimal we divide by 100 and remove the sing '%'.

The easiest way to multiply by 100 is to move the decimal point 2 places to the right:

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You are dealt one card from a 52 card deck find the probability that you are not dealt a card with number from 2 to 6

krok68 [10]

Answer:

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7 0

3 years ago

Will mark brainliest Question is in attachment

Nadusha1986 [10]

Answer:

x = 49

Step-by-step explanation:

The angles are complementary so they add to 90 degrees

41+x = 90

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41+x-41 = 90-41

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4 years ago

Read 2 more answers

Last school year, the student body of a local university consisted of 30% freshmen, 24% sophomores, 26% juniors, and 20% seniors

tino4ka555 [31]

Answer:

$\chi^2 = \frac{(83-90)^2}{90} +\frac{(68-72)^2}{72}+\frac{(85-78)^2}{78}+\frac{(64-60)^2}{60} = 1.66$

And the answer would be:

c. 1.66

Step-by-step explanation:

We need to conduct a chi square test

The statistic to check the hypothesis is given by:

$\sum_{i=1}^n \frac{(O_i -E_i)^2}{E_i}$

the observed values for this case are:

$Freshemen=83$

$Sophomores=68$

$Juniors = 85$

$Seniors= 64$

The expected values for this case are:

$Fres_E =0.3*300= 90$

$Sop_E =0.24*300= 72$

$Jun_E = 0.26*300 =78$

$Sen_E = 0.20*300= 60$

Then the statistic would be given by:

$\chi^2 = \frac{(83-90)^2}{90} +\frac{(68-72)^2}{72}+\frac{(85-78)^2}{78}+\frac{(64-60)^2}{60} = 1.66$

And the answer would be:

c. 1.66

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3 years ago