Mathematics, 15.07.2020 17:01 stephycake9768

3. Consider results of 20 randomly chosen people who have run a marathon. Their times, in minutes, are as follows: 137, 146, 150, 163, 166, 179, 186, 193, 196, 213, 218, 225, 236, 239, 254, 269, 271, 279, 282, 295. Calculate a 90% upper confidence bound on the mean time of the race. Assume distribution to be normal. Hint: the population variance is known or unknown

Answers: 1

Show answers

Another question on Mathematics

Mathematics, 21.06.2019 15:30

Simplify a7/a4 a) 1/a3 b)-a/a2 c)a4/a3 d)a3

Answers: 2

Answer

Mathematics, 21.06.2019 17:00

High schoolmathematics 5 points keith is the leading goal scorer for a team in an ice hockey league. last season, he scored 42 goals in 82 games. assuming he scores goals at a constant rate, what is the slope of the line that represents this relationship if the number of games is along the x-axis and the number of goals is along the y-axis?

Answers: 1

Answer

Mathematics, 21.06.2019 18:00

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

Answer

Mathematics, 21.06.2019 18:30

Two cyclists 84 miles apart start riding toward each other at the same. one cycles 2 times as fast as the other. if they meet 4 hours later, what is the speed (in mi/h) of the faster cyclist?

Answers: 1

Answer

You know the right answer?

3. Consider results of 20 randomly chosen people who have run a marathon. Their times, in minutes, a...

Questions

Mathematics, 03.09.2020 08:01

In a certain county, the number of charter schools is 8 less than twice the number of alternative schools. We know that there are 36 charter schools i...

Mathematics, 03.09.2020 08:01

If h(x)=(f0g)(x) and h(x)=4(x+1)2, find one possibility for f(x) and g(x)...