A courier service advertises that its average delivery time is more than 15 hours for local delivery. A random sample of times for 12 deliveries to an address across town was recorded. These data are shown here. Is this sufficient evidence to support the courier advertisement at the 1% level of significance.

Q: u(z) dr

A:

Q: $ 438 200 115 2 215 433 380 193 45

A: Arrange the given observations in ascending order. 40, 45,52,115,124,126,185,189,193,200,…

Q: 3 3 x-5 1 322

A:

Q: LCM(56, 34)=

A: Given:- Numbers are 56 and 34  To find:- LCM of (56, 34)  Method:- i use prime Factorization method

Q: 8 mi P 4 mi

A:

Q: LCM(77, 18) =

A: We have to find the LCM of 77 and 18.

Q: 12 R 10 5

A:

Q: 14 m2a2

A: Total female = 133+43 = 178 Total "did not graduate" = 55+43 = 98 Grand total= (126+55+133+43)  =…

Q: Find mzT. 60°

A: NOTE: Refresh your page if you can't see any equations. . here we have as we can see here  and

Q: lcm of 6 and 18

A:

Q: 4. X = 100

A:

Q: dy if y =t! and t=Vx Fin d

A: Let's find.

Q: A 2/15 B 30 V35 5 20

A: Given,  A circle with secant and tangent  We have to find the value of x

Q: A) Suppose F(xy)- М(х,у) і + N(x,y) j is a vector field on the xy plane such that F•dr = 0 Se I F•dr…

A:

Q: 5 and 2/3 feet + 4 and 1/6 feet

A: Answer  - 5 and 2/3 feet +4 and 1/6 feet

Q: 9 tmes 8

A: 9 times 8 means adding 8 upto 9 times or multiply 8 by 9.

Q: Luestic Given the circumference of the circle and the measure of the central angle ACB, find the…

A:

Q: Answer d, e and f

A:

Q: Letters b, c, d and e.

A:

Q: V 2000 1500 1000 500 X 5 10 15 20

A: Given query is to find the maximum volume from the graph.