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anonymous
 one year ago
A company offered one half of its employees a bonus if the production of gears increased by 50%. The other half of the employees was not offered a bonus. As the end of the month, production in the group that did not get the bonus offer increased by a mean of 20 and production in the bonus group increased by a mean of 40.
What is the correct order of steps to determine if the results are significant?
A: Calculate the probability of a difference of 20.
B: Randomly separate the employees’ individual results into two groups.
C: Calculate the mean of each group.
D: Calculate the differen
anonymous
 one year ago
A company offered one half of its employees a bonus if the production of gears increased by 50%. The other half of the employees was not offered a bonus. As the end of the month, production in the group that did not get the bonus offer increased by a mean of 20 and production in the bonus group increased by a mean of 40. What is the correct order of steps to determine if the results are significant? A: Calculate the probability of a difference of 20. B: Randomly separate the employees’ individual results into two groups. C: Calculate the mean of each group. D: Calculate the differen

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anonymous
 one year ago
Best ResponseYou've already chosen the best response.0B, C, E, A, D A, B, C, E, D B, C, D, E, A A, B, C, D, E

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0thank you @MariahDimond

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@sasogeek @sleepyjess

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@alejandro1300 @ashton_gates2131

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0oh i forgot to post the step E

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0E: Run the experiment many times.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@Nnesha @Hero @campbell_st @johnweldon1993 @Maddy95 @mathmate

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0lol @MeowLover17 @happyrosy @flawlessswag @The_Joker<3 @keshaun455 @ndavis

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0thank you for tagging these people for me @MariahDimond

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0because the difference is calculated after running the experiment again, i think i'm not sure.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I posted the last order but in case you didn't see it.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0What is the correct order of steps to determine if the results are significant? A: Calculate the probability of a difference of 20. B: Randomly separate the employees’ individual results into two groups. C: Calculate the mean of each group. D: Calculate the difference of the means. E: Run the experiment many times.

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0B, C, E, A, D A, B, C, E, D B, C, D, E, A A, B, C, D, E

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0A company offered one half of its employees a bonus if the production of gears increased by 50%. The other half of the employees was not offered a bonus. As the end of the month, production in the group that did not get the bonus offer increased by a mean of 20 and production in the bonus group increased by a mean of 40.

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1aww i see thanks http://prntscr.com/7gni3c

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1makes sense i guess you're right

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0thank you for your help , can you please help me with one more?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0Bobby is testing the effectiveness of a new cough medication. There are 100 people with a cough in the study. Seventy patients received the cough medication, and 30 other patients did not receive treatment. Thirtyfour of the patients who received the medication reported no cough at the end of the study. Twenty of the patients who did not receive medication reported no cough at the end of the study. What is the probability that a patient chosen at random from this study took the medication, given that they reported no cough?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0sorry my internet turned off

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1ahh still confusd abt first one

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0you think it's the fist choice?

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1well first of all you have to divide into two groups

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0that's what i'm stuck at the answer is either a or c ! do you think i should choose "A"

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1ahahha i'm not good at guessing always stuck 't 2 option and 99% i pick the wrong one :P

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0it's ok , i'm going with "A" and see if it's right and i'll let you know if you want

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1i guess by *difference * doesn't meant the difference before and after the experiment difference = subtraction too :(

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0@Nnesha so you're saying A make sense?

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1nope i'm just guessing :o why it can't be C ?

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1alright just pick A but it can be C ....

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1A or C one of them is right :)

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0can you please help me with the last question? i have already answered it

Nnesha
 one year ago
Best ResponseYou've already chosen the best response.1well i'm not good at probability stuff sorry @jim_thompson5910 100% he can help !

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0i hope so , thank you so much @Nnesha

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0but where are you from? @Nnesha

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1dw:1434238989616:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1"There are 100 people with a cough in the study" dw:1434239146098:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1"Seventy patients received the cough medication" "30 other patients did not receive treatment" dw:1434239184205:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1"Thirtyfour of the patients who received the medication reported no cough at the end of the study" so that leaves 7034 = 36 people who did have a cough (who took the medicine) dw:1434239219354:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1"Twenty of the patients who did not receive medication reported no cough at the end of the study" 3020 = 10 people had a cough. These people didn't take the medicine dw:1434239298161:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1compute the missing totals dw:1434239319010:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1"What is the probability that a patient chosen at random from this study took the medication, given that they reported no cough?" so we circle just the "no cough" column since this is given to us. We don't even need to bother with the other columns dw:1434239381100:dw

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1there are 34 people who took the medication (and had no cough) out of 54 people who had no cough dw:1434239483850:dw 34/54 = 17/27 so P(took medicineno cough) = 17/27

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1yeah 17/27 = 63% roughly

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0would you please help me with two more. i would really appreciate it.

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1I'll help with one more. Post it as a new question so it doesn't clutter up this one
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