Mathematics, 27.12.2020 15:30 noeliaalvarado
The amount of time devoted to studying statistics each week by students who achieve a
grade of A in the course is normally distributed with a mean of 7.5 hours and a standard
deviation of 2.1 hours.
a. What proportion of A students study for more than 10 hours per week.
b. Find the probability that an A student spends between 7 and 9 hour
Answers: 2
Mathematics, 21.06.2019 15:00
55 bridesmaids want to make 325 325 decorations for a wedding. each decoration takes about 212 2 1 2 minutes to make. which response gives the best estimate for the amount of time each bridesmaid will spend making decorations?
Answers: 2
Mathematics, 21.06.2019 21:30
Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.
Answers: 1
Mathematics, 22.06.2019 01:30
Add: (6x^2-5x+3) + (3x^3+7x-8) a. 9x^2+12x-5 b. 9x^2+2x+11 c. 9x^2+2x-5 d. 9x^2-2x+5
Answers: 1
Mathematics, 22.06.2019 04:30
In his stamp album ,jamal has 48 new stamps and 72 used stamps. which ratio can be represented by 3/5
Answers: 1
The amount of time devoted to studying statistics each week by students who achieve a
grade of A in...
History, 19.01.2020 09:31
Mathematics, 19.01.2020 09:31
Mathematics, 19.01.2020 09:31
Mathematics, 19.01.2020 09:31
Mathematics, 19.01.2020 09:31
Mathematics, 19.01.2020 09:31