Mathematics, 20.10.2019 01:30 pumkinsrck1840
On thursday, emily cycled 88 kilometers in 4 hours. on friday, she cycled at an average of 3 kph faster. what was her average rate on friday?
a. 7 kph
b. 25 kph
c. 30 kph
d. 66 kph
Answers: 3
Mathematics, 21.06.2019 17:10, payshencec21
The number of chocolate chips in an 18-ounce bag of chocolate chip cookies is approximately normally distributed with a mean of 1252 chips and standard deviation 129 chips. (a) what is the probability that a randomly selected bag contains between 1100 and 1500 chocolate chips, inclusive? (b) what is the probability that a randomly selected bag contains fewer than 1125 chocolate chips? (c) what proportion of bags contains more than 1225 chocolate chips? (d) what is the percentile rank of a bag that contains 1425 chocolate chips?
Answers: 1
Mathematics, 21.06.2019 18:00, cexe2630
The administrator of a large assisted living facility wanted to know the average age of the residents living at the facility. he randomly selected 12 residents and determined their age, listed here: 80, 65, 75, 83, 68, 73, 88, 79, 94, 72, 79, 68 what's the average age of the sample of residents? a. 79 years old b. 68 years old c. 75 years old d. 77 years old
Answers: 1
On thursday, emily cycled 88 kilometers in 4 hours. on friday, she cycled at an average of 3 kph fas...
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