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Mathematics 7 Online
OpenStudy (anonymous):

A cell phone manufacturer chose 200 people at random and asked them whether they would purchase the newest model for $300. The manufacturer repeated this survey using the same method three more times. Do any of the surveys appear to be biased? Would purchase new model for $300? Survey 1 2 3 4 Yes 127 131 128 133 No 73 69 72 66

OpenStudy (anonymous):

OpenStudy (anonymous):

Sorry hun I'm no good when it comes to math try @horsegirl27 she might be able to help :)

OpenStudy (anonymous):

ok thanks

OpenStudy (anonymous):

@horsegirl27 can you help me

OpenStudy (horsegirl27):

sure

OpenStudy (anonymous):

ok thanks

OpenStudy (anonymous):

@horsegirl27

OpenStudy (horsegirl27):

one at a time, which do u need help with?

OpenStudy (anonymous):

just the second one

OpenStudy (anonymous):

@HazelLuv99 can you help

OpenStudy (horsegirl27):

ok

OpenStudy (horsegirl27):

Well for sure D, as they only got 5 responses

OpenStudy (horsegirl27):

Can you choose more than 1?

OpenStudy (anonymous):

yes

OpenStudy (horsegirl27):

ok so you have D now you choose one

OpenStudy (horsegirl27):

You can see that C is incorrect

OpenStudy (anonymous):

yes

OpenStudy (horsegirl27):

So is A as it is out of 60, not 100

OpenStudy (horsegirl27):

Okay, you decide, is B correct or not?

OpenStudy (anonymous):

its correct

OpenStudy (horsegirl27):

yup! So your answers are B and D

OpenStudy (anonymous):

thanks i passed

OpenStudy (anonymous):

can we do another

OpenStudy (horsegirl27):

Yay!

OpenStudy (horsegirl27):

Of course, make another post and tag me :)

OpenStudy (horsegirl27):

and don't forget to medal and fan :)

OpenStudy (anonymous):

i wont

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