An industrial company claims that the mean pH level of the water in a nearby river is 6.8. You randomly select 19 water samples and measure their pH level. The mean and standard deviation are 6.5 and 0.25, respectively. Is there enough evidence to reject the company’s claim at a significance level of 0.05?
A homeless who found
shelter and comfort within the Mc Do Store perimeter
or premises. Some customers complained on the
smell. Some give him food to eat. Discuss what
business ethics issues present on this situation.
What can be done?
. From the following information provided by Alfa Manufacturing Ltd, prepare a statement of equivalent units and also, Discuss the concept of equivalent units?
Particular
Quantity
Opening Stock of Inventory
( 60 percent Complete )
500
Units Introduced during the year
10000
Closing Inventory of Stock
( completing percentage 40% complete)
200
will plannin become more or less important to managers in the future
Two particles come towards each other with speed 0.9c with respect to laboratory. Calculate their relative speeds.
In the IPv4 Header format following information is given in decimal number system, with
respect to the given information calculate the header checksum value. (10)
VER=4
HLEN =6
Service type=9
Total length=26
Identification=2
Flag=3
Fragmentation offset=0
Time to live=5
Protocol=12
Source IP Address=11.13.12.6
Destination IP Address=10.6.8.11
1. Find the specific function values f(x, y) = x^2 + xy^3
(a) f(2, 3) (b) f(−3, −2)
Find the first address, last address and the number of addresses of a network whose one
of the IP addresses is 50.28.22.75 / 25.
(5 marks question).
Mention and explain each field of IPv4 header in detail, by taking suitable examples.
(5 marks)
Q1.a).A certain store has four ways of handling returns: cash refund, credit to account, exchange, or refusal. The manager claims that the four ways are equally probable.to test this hypothesis, 108 customers were sampled with the following results
Type
Cash
Credit
exchange
Refusal
Count
34
27
32
15
Does the data support the managers claim at 5 %. (6mks)