8.31 In a statistical study of scientists in the United States of America it was found that out of a sample (suppose random) of 1000 scientists, 126 had been born in other countrics. Test the hypothesis that the proportion of born-abroad scientists is less than 0.14. Use a = 0.0281. What is the observed level of significance of the sample? Use Normal approximation.

Q: 1o.e 4.60

A: trigonometry rule

Q: Find the circumference of each circle. Leave your answer in terms of T.

A: From the image of the circle, we see that the radius= 16 units

Q: 10.0

A:

Q: 11. 10 22

A:

Q: Alt 8. 5. 14.

A:

Q: d) | 4f(x)| dæ =

A:

Q: 20. 5332

A: Take ln on both sides.

Q: 53 60

A:

Q: 8. 2 k=1 3k

A:

Q: 4. 15 33,

A:

Q: 3 19.21 11 11

A:

Q: 1. 12

A: We can use the concept of Pythagoras theorem to solve the given problem.

Q: 248.96/3.20

A: we want to solve out the following 248.96/3.20let N = 248.96/3.20