Tofik

A company has three machines A, B and C which all produce the same two parts, X and Y. of all the parts produced, machine A produces 60%, machine B produces 30%, and machine C produces the rest. 40% of the parts made by machine A are part X, 50% of the pa...

9 years ago

The distribution of annual earnings of all bank tellers with five years of experience is skewed negatively. This distribution has a mean of Birr 15,000 and a standard deviation of Birr 2000. If we draw a random sample of 30 tellers, what is the probabilit...

9 years ago

a boy spends 7/35of his pocket money on transport and fruit. 5/8 of the remainder on sweet. if he is left with 21 cedis. what fraction of his money does he spend on sweet

3 years ago

A company has three machines A, B and C which all produce the same two parts, X and Y. of all the parts produced, machine A produces 60%, machine B produces 30%, and machine C produces the rest. 40% of the parts made by machine A are part X, 50% of the pa...

9 years ago

A company has three machines A, B and C which all produce the same two parts, X and Y. of all the parts produced, machine A produces 60%, machine B produces 30%, and machine C produces the rest. 40% of the parts made by machine A are part X, 50% of the pa...

9 years ago

•statistics of business - Tofik, Sunday, April 24, 2016 at 3:50pm A company has three machines A, B and C which all produce the same two parts, X and Y. of all the parts produced, machine A produces 60%, machine B produces 30%, and machine C produces the...

9 years ago

The result of an exam score for a given class is normally distributed. If the mean score is 85 points and the standard deviation is equal to 20 points, find the cutoff passing grade such that 83.4% of those taking the test will pass

9 years ago

The manager of a hotel has stated that the mean guest bill for a weekend is Birr 400 or less. A member of the hotel’s accounting staff has noticed that the total charges for guest bills have been increasing in recent months. The accountant will use a samp...

9 years ago

A manager wishes to find out whether there is a relationship between the number of radio advertisement aired per week and the amount of sales (in hundreds of Birr) of a product. The data for the sample are given below. Number of Advertisement (X) 2 5 8 8...

9 years ago

A company has three machines A, B and C which all produce the same two parts, X and Y. of all the parts produced, machine A produces 60%, machine B produces 30%, and machine C produces the rest. 40% of the parts made by machine A are part X, 50% of the pa...

9 years ago

Blue Nile University recently conducted a survey of undergraduate students in order to gather information about the usage of the library. The population for this study included all 4000 undergraduate students enrolled in the university. The library office...

9 years ago

Blue Nile University recently conducted a survey of undergraduate students in order to gather information about the usage of the library. The population for this study included all 4000 undergraduate students enrolled in the university. The library office...

9 years ago

7 A company has three machines A, B and C which all produce the same two parts, X and Y. of all the parts produced, machine A produces 60%, machine B produces 30%, and machine C produces the rest. 40% of the parts made by machine A are part X, 50% of the...

9 years ago

A company has three machines A, B and C which all produce the same two parts, X and Y. of all the parts produced, machine A produces 60%, machine B produces 30%, and machine C produces the rest. 40% of the parts made by machine A are part X, 50% of the pa...

9 years ago

A company has three machines A, B and C which all produce the same two parts, X and Y. of all the parts produced, machine A produces 60%, machine B produces 30%, and machine C produces the rest. 40% of the parts made by machine A are part X, 50% of the pa...

9 years ago

7 A company has three machines A, B and C which all produce the same two parts, X and Y. of all the parts produced, machine A produces 60%, machine B produces 30%, and machine C produces the rest. 40% of the parts made by machine A are part X, 50% of the...

9 years ago

The result of an exam score for a given class is normally distributed. If the mean score is 85 points and the standard deviation is equal to 20 points, find the cutoff passing grade such that 83.4% of those taking the test will pass.

9 years ago

The manager of a hotel has stated that the mean guest bill for a weekend is Birr 400 or less. A member of the hotel’s accounting staff has noticed that the total charges for guest bills have been increasing in recent months. The accountant will use a samp...

9 years ago

A manager wishes to find out whether there is a relationship between the number of radio advertisement aired per week and the amount of sales (in hundreds of Birr) of a product. The data for the sample are given below. Number of Advertisement (X) 2 5 8 8...

9 years ago

Excellent. know I need the answer of Kinetic energy and potential energy

3 years ago