A researcher wishes to estimate the proportion of adults who have high-speed Internet access. What size sample should be wishes the estimate to be within 0.05 with 90% confidence if (a) she uses a previous estimate of 0.42? (b) she does not use any prior estimates? Table of critical values Click the icon to view the table of critical values

Q: (-14) + (–7)

A:

Q: 7+3.5-11

A: Let's Solve,

Q: b. N(0)

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

Q: 2 3 3 4 6 8

A: The mean is computed below.   Aptitude score(x) Frequency(f) x*f 0 4 0 1 2 2 2 3 6 3 0 0…

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: 3. Find L-¹{√534}. (s+3)

A:

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

A:

Q: d 6

A: 5. In the given right triangle , the hypotenuse is 41 and the perpendicular length is 40. Apply the…

Q: 4.122

A: Given Information: a) Suppose each lot contains 10 items, you decide to sample 4 items per lot and…

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

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

Q: The columns of Q were obtained by applying the Gram-Schmidt process to the columns of A. Find an…

A: Solution by using Gram-Schmidt process as follows :

Q: 3 3/4 + 2 7/28

A:

Q: 6 1/6 + 6

A: