A simple random sample of size n is drawn from a population that is known to be normally distributed. The sample variance, s², is determined to be 128 Complete parts (a) through (c). CI (a) Construct a 90% confidence interval for o² if the sample size, n, is 20. The lower bound is. (Round to two decimal places as needed.) Question Viewer

Q: 12-10-1+4

A: Given:

Q: x2 + 5 xp 3- x2 + x + 3 X1

A:

Q: S 2x - 5y 4 6x - 4y 3.

A:

Q: (b) Find all x-intercepts and y-intercepts. Check all that apply. | 3 | 2 O None intercept(s): y-…

A: (b) X-intercept: The x-intercept is the point on the graph where a line crosses the x-axis. The…

Q: dz -9 – 20z – 4z2 3/2

A: Consider the integrals, ∫-52-32dz-9-20z-4z2…

Q: 4x+4-7x+2

A:

Q: 2(3y-6)/2=3y

A: 2(3y-6)/2=3y

Q: 7 - 6(1- 2x)

A: Topic:- algebra

Q: 3.9b + a3 + 27 - 3a2 + 5a3 - 2a2 + 2.1b + 7

A:

Q: 10 - 6 / 5 - 3

A: Given,

Q: 6x-12-8x+4

A:

Q: 0 3 2 1 0- 4 3 201 1 3 2 5 5 5 6 6

A: Graph number 1 is not the right graph to represent the frequency data as using it we cannot give any…

Q: 8- 6- +2+ -4- +8- to

A: DOMAIN: The values of x will define the domain of a function. RANGE: The values of y or f(x) will…

Q: 2+6-8+8x5=

A: Given query is to find the value of the expression.

Q: X5 y / x4 y6

A: Given: x5yx4y6

Q: 4 3 -5 -4 -3 -2 -1 -1 1 2 3 4 5 -2 -3 -4 -5+

A:

Q: -5,4y+14-2y=4

A: Given ,  4y + 14 - 2y = 4     ....... (1)  We have to find value of y  (1) implies

Q: a²²6-1_a-16-2 51. 4a-2-4b-2

A:

Q: m²+3m+2 m²+5m+6 m²+5m+4 m²+10m+24

A: