30 POINTS MATH HELP PLEASE
...
Answers: 1
Mathematics, 21.06.2019 14:30
Bismuth-210 is an isotope that radioactively decays by about 13% each day, meaning 13% of the remaining bismuth-210 transforms into another atom (polonium-210 in this case) each day. if you begin with 233 mg of bismuth-210, how much remains after 8 days?
Answers: 3
Mathematics, 21.06.2019 21:40
The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?
Answers: 2
Mathematics, 21.06.2019 21:40
Astudy was interested in determining if eating milk chocolate lowered someone's cholesterol levels.ten people's cholesterol was measured. then, each of these individuals were told to eat 100g of milk chocolate every day and to eat as they normally did. after two weeks, their cholesterol levels were measured again. is there evidence to support that their cholesterol levels went down? how should we write the alternative hypothesis? (mud = the population mean difference= before - after)a. ha: mud = 0b. ha: mud > 0c. ha: mud < 0d. ha: mud does not equal 0
Answers: 1
Mathematics, 21.06.2019 23:20
8litres of paint can cover 129.6 m². how much paint is required to paint an area of 243m²?
Answers: 3
Mathematics, 12.04.2020 13:09
Mathematics, 12.04.2020 13:10
Mathematics, 12.04.2020 13:10
English, 12.04.2020 13:11
English, 12.04.2020 13:11
Mathematics, 12.04.2020 13:12
English, 12.04.2020 13:14
Computers and Technology, 12.04.2020 13:15
Spanish, 12.04.2020 13:15
Mathematics, 12.04.2020 13:27
Mathematics, 12.04.2020 13:28