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Sixteen oil tins are taken at random from an automatic filling machine. The mean weight of the tins is 14.2 kg, with a standard deviation of 0.40 kg. Can we conclude that the filling machine is wasting oil by filling more than the intended weight of 14 kg, at a significance level of 5%? (5 marks)
Two judges gave the following ranks (from the highest to the lowest) for girls who contested in a beauty competition. Girl Number 1 2 3 4 5 6 7 8 9 10 11 Judge A 3 4 1 2 5 10 11 7 9 8 6 Judge B 2 4 3 1 7 9 6 11 10 5 8 Is there an agreement between the independent rankings of the two judges? (5 marks)
The following data relate to advertising expenditure in. Sh. ten thousands and their corresponding sales (in Shs. millions). Advertising expenditure 10 12 15 23 20 Sales 14 17 23 25 21 i.) Fit a regression line of sales against advertising expenditure? (5mrks) ii) Estimate the sales when the advertising expenditure is of sh. 300,000? (2 marks)
The marketing manager of a company manufacturing detergents conducted a survey to assess customers response to new packaging recently introduced. She classified the customers according to gender and from a random sample of 300 customers, she got the following results. Preference New packaging Old packaging Undecided Male 27 14 92 Female 73 82 12 Required: Test at 1% level of significance if there is any significant relationship in packaging preference and gender (5 marks)
A simple manometer is used to measure the pressure of oil (sp. gr. = 0.8) flowing in a pipeline. Its right limb
is open to the atmosphere and left limb is connected to the pipe. The centre of the pipe is 9 cm below the
level of mercury (sp. gr. 13.6) in the right limb. If the difference of mercury level in the two limb is 15 cm,
determine the absolute pressure of oil in the pipe in N/cm2
.
A simple manometer is used to measure the pressure of oil (sp. gr. = 0.8) flowing in a pipeline. Its right limb
is open to the atmosphere and left limb is connected to the pipe. The centre of the pipe is 9 cm below the
level of mercury (sp. gr. 13.6) in the right limb. If the difference of mercury level in the two limb is 15 cm,
determine the absolute pressure of oil in the pipe in N/cm2
.
Critically discuss what the National Curriculum and Assessment Policy Statement aims to do for the Grade R curriculum. Give practical examples of how it aims to do what you have critically discussed
there are some salt available in a chemistry lab some of them are insoluble or less soluble in water among those salt is PB hole toys what is the concentration of PV hole toys in gram per litre dissolve in water if the KSP for this compound is 4.1 into 10 to the power minus 15 show the step-by-step solution + process
Create a program that will make the user input the Month, Date and Year as Integers then use switch statemet and concatenation to display it in this format:
Sample output
Month : 6
Day : 13
Year : 2022
June 13, 2022
Note: If the user inputs an invalid Month then you should tell the user that it is invalid by using the default keyword.
Syntax of default keyword is default:
Based on Figure 2(c), using Delta-Star transformation, calculate resistance RT and total current,
IT for circuit below.(5 marks)
Figure 1(c)
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#339914 on Dec 2023