Ask your own question, for FREE!
Mathematics 7 Online
OpenStudy (lordhelix8th):

need help with 5 questions will fan and medal

OpenStudy (lordhelix8th):

A card was selected at random from a standard deck of cards. The suit of the card was recorded, and then the card was put back in the deck. The table shows the results after 40 trials. What is the relative frequency of selecting a heart? Outcome Club Diamond Heart Spade Number of trials 8 12 14 6 A. 15% B. 25% C. 27% D. 35%

OpenStudy (lordhelix8th):

@sleepyjess @shifuyanli @CREEPYMLPMASTER

OpenStudy (anonymous):

I know it one second

OpenStudy (anonymous):

What do you think it is

OpenStudy (lordhelix8th):

c?

OpenStudy (anonymous):

hint: the requated probability is given by the subsequent ratio: probability=|dw:1430491053938:dw|

OpenStudy (anonymous):

Ignore the misspells

OpenStudy (lordhelix8th):

idk what you mean

OpenStudy (anonymous):

Its not c since the favorable cases are 14, whereas the possible cases are: 14+12+8+6=40

OpenStudy (anonymous):

OpenStudy (lordhelix8th):

35%

OpenStudy (lordhelix8th):

am i right

OpenStudy (anonymous):

Correct

OpenStudy (lordhelix8th):

can you help with more?

OpenStudy (lordhelix8th):

A jar contained 6 red marbles, 10 green marbles, and 8 blue marbles. A marble was selected at random, the color was recorded, and the marble was placed back in the jar. The table shows the results after 50 trials. What was the relative frequency of selecting a red marble? Round to the nearest percent, if necessary. Outcome Red Green Blue Number of trials 10 24 16 %

OpenStudy (lordhelix8th):

is it 20%

OpenStudy (lordhelix8th):

Ms. mlp?

OpenStudy (anonymous):

So sorry I was lagging let me take a look

OpenStudy (anonymous):

find the total number of experiments first, i.e, add all number of trials Then take 10 and divide it by the total number.

OpenStudy (lordhelix8th):

is it 5

OpenStudy (anonymous):

Mmmhm

OpenStudy (lordhelix8th):

yes or no

OpenStudy (lordhelix8th):

oh wait yes

OpenStudy (lordhelix8th):

A spinner has five sections, labeled A, B, C, D, and E. The spinner is spun 60 times, and the results are recorded in the table. What is the experimental probability of the spinner’s landing on E? Round to the nearest percent, if necessary. Outcome A B C D E Number of trials 15 10 18 11 6 A. 10% B. 14% C. 18% D. 20%.

OpenStudy (lordhelix8th):

i think 10%

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!