7. Twelve measurements of the percentage of water in a methanol solution yielded a sample mean û = 0.547 and a sample standard deviation ô = 0.032. (a) Find a 95% confidence interval for the percentage of water in the methanol solution. (b) Explain what exactly it means when we say that we are "95% confident" that the true mean u is in this interval.

Q: (-14) + (–7)

A:

Q: 3 -4- -0- 4. 2.

A:

Q: b. N(0)

A: Given,  r→t=sint, t, cost                   ...1

Q: 5/14+1/6

A: 514+16=15+742

Q: 18 and 19

A: Question 18 : Consider the statement "If A∪C ⊂ B∪C, then  A ⊂ B " which of the following is a…

Q: 619 d. 4 10

A:

Q: 3) 24 12

A: We can find the value of x as below

Q: In the

A: In the diagram it is given that, the angles <G and <H are complementary. m<G = 2x + 10…

Q: -7 3. Find (3-4) 5) 1 1

A:

Q: Identify the postulate for each drawing

A: Identify the postulates for each drawing

Q: 6. 4 Z+ 1 z+ 7 2.

A: Given,  4/(z + 1)  =  2/(z + 7)  To find value of z.

Q: elow is an incomplete probability model showing the likelihood of selecting a marble from a way.…

A: Second option is correct 3/10

Q: 3(m – 5) + m

A: 3(m-5)+m=0 3m-15+m=0 add both side 15 we get 2m=15