subject
Mathematics, 18.10.2019 07:30 hely7856

the grams of sugar per serving for three brands of cereal are 4g,8g, and 16g. the probability of choosing a cereal with 4 grams of sugar is 1/4. the probability of choosing a cereal with 8 grams of sugar is 5/8. the probability of choosing a cereal with 16 grams of sugar is 1/8.
what is the expected value of the number of grams of the sugar in cereal?
a 6
b 7
c 8
d 9

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
Jabari is power washing houses for a summer job. for every job, he charges an initial fee plus $30 for each hour of work. his total fee for a 4 -hour job, for instance, is $170 . jabari's total fee,f, for a single job is a function of the number,t, of hours it takes him to complete the job. write the function's formula.
Answers: 2
question
Mathematics, 21.06.2019 18:30
To determine the number of deer in a forest a forest ranger tags 280 and releases them back
Answers: 3
question
Mathematics, 21.06.2019 18:30
You love to play soccer! you make a shot at the net 8 times during a game! of those 8 attempts, you score twice. what percent of the time did you score?
Answers: 2
question
Mathematics, 21.06.2019 19:00
The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean
Answers: 3
You know the right answer?
the grams of sugar per serving for three brands of cereal are 4g,8g, and 16g. the probability of cho...
Questions
question
Mathematics, 04.11.2019 17:31
question
Mathematics, 04.11.2019 17:31