Mathematics, 08.03.2021 18:20 Blackhawk1881
A game is played in a school to raise money for charity. each player pays 30p to enter. to win a bag of crisps, you must score 7. the probability of getting a 7 is 1/3. each packet of crisps costs 20p how much will the school expect to raise?
Answers: 3
Mathematics, 21.06.2019 21:30
Data from 2005 for various age groups show that for each $100 increase in the median weekly income for whites, the median weekly income of blacks increases by $105. also, for workers of ages 25 to 54 the median weekly income for whites was $676 and for blacks was $527. (a) let w represent the median weekly income for whites and b the median weekly income for blacks, and write the equation of the line that gives b as a linear function of w. b = (b) when the median weekly income for whites is $760, what does the equation in (a) predict for the median weekly income for blacks?
Answers: 2
Mathematics, 22.06.2019 07:40
Suppose a batch of steel rods produced at a steel plant have a mean length of 150 millimeters, and a standard deviation of 12. if 100 rods are sampled at random from the batch, what is the probability that the mean length of the sample rods would differ from the population mean by less than 0.5 millimeters?
Answers: 1
A game is played in a school to raise money for charity. each player pays 30p to enter. to win a bag...
Mathematics, 16.11.2020 08:20
Health, 16.11.2020 08:20
Mathematics, 16.11.2020 08:20
Chemistry, 16.11.2020 08:20
Mathematics, 16.11.2020 08:20
Computers and Technology, 16.11.2020 08:20
Chemistry, 16.11.2020 08:20
Mathematics, 16.11.2020 08:20
English, 16.11.2020 08:20
Chemistry, 16.11.2020 08:20
Mathematics, 16.11.2020 08:20