Let μ represent the mean blood cholesterol level for all Japanese children. What hypotheses should the researcher test?

Q: 7.2-9

A: Solution: The percentage of body fat measured at the beginning of the semester and at the end of the…

Q: 6.7 Find the unique number which is equal to its half plus 1.

A:

Q: /23 . 24

A:

Q: 4. 108 45 C B.

A: As per guideline we have to solve only one since all question are different

Q: A comedian knows twelve jokes. One joke is​ old, one joke is​ new, and the other jokes are somewhere…

A: There are total 12 jokes, among which 1 joke is new, 1 joke is old and other 10 jokes are somewhere…

Q: 14. 10 19

A: 14 Consider the sine angle property is, sinx=perpendicularhypotenuse

Q: 58.6 - 9.27

A: Given that the expression is  58.6-9.27.

Q: 1o.e 4.60

A: trigonometry rule

Q: 10. 5 12 12

A: We have  to find radius

Q: 18. -5

A:

Q: 25. 1 | 1 1 + 1 - 1

A: Solution is done in step 2

Q: 10.0

A:

Q: 11. 10 22

A:

Q: 11. 45

A: We have to find the value of x.  For this we can use the concept of similar triangle.

Q: 10. 72 76

A: The total degrees for a circle is 3600. The line chord which passes through the origin is only…

Q: 18. 32 13

A:

Q: 4.5-10

A: Introduction: Suppose X and Y follow the bivariate normal distribution with mean and variance of X…

Q: 14.

A: I have used theorem for circle

Q: 1.6+0.4(x+6)+3.2

A: To simplify the expression means writing it in the simplest form.

Q: 14. 115"

A:

Q: %3D 6.

A: Please see the explanation below

Q: -1 0. B = 1 3 4 A Let AB = ?

A:

Q: 9. 10. 12 x + 4 x+ 3 16 X- 3 Page 2 2

A:

Q: 8 23. 60/3 – 3 -

A: Given: 603-83 for simplify it we take L.C.M. and solve it

Q: 16/18

A: The given problem 1618

Q: *8.4.13 Multiply using the rule for the square of a binomial (x - 2)² (x-2)-

A: We have to find the square

Q: 23.20 - 8.12

A: Given 23.20-8.12

Q: Match the given parametric equations with one of the parametric curves. x-3- sint, y = 5+ cost O A.

A: To sketch the given parametric equation :- x = 3 -sin t  and  y = 5+cos t

Q: 9. 6 < 2x + 2

A:

Q: 10. 6. 3.

A: we have to find the radius of circle from the given figure

Q: 7. 45

A:

Q: big idea 9.2

A: the meaning of 9.2 is =92/10 that is equal to 46/5

Q: 243 30

A:

Q: | = +x 6.

A:

Q: 50.19

A: