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46 % of the 100 students in Emmie Xi Hem International School students said that they had been late in their first period classes. What is the lower bound of the 99% confidence interval for the proportion of students in the said school who had been late in their first period classes.
Note: Write your answers in decimal form and round it to 4 decimal places.
Who dissolve faster oxygen + water at 1 atm or oxygen + water at 2 atm? Explain your answer.
42 % of the 100 students in Emmie Xi Hem International School students said that they had been late in their first period classes. What is the upper bound of the 99% confidence interval for the proportion of students in the said school who had been late in their first period classes.
Note: Write your answers in decimal form and round it to 4 decimal places.
Machine Problem 5.10
Write a program using one-‐dimensional array that searches a number if it is found on
the list of the given 5 input numbers and locate its exact location in the list.
Sample input/output dialogue:
Enter a list of numbers: 5 4 8 2 6
Enter a number to be searched: 2 2 found in location 4
Machine Problem 5.9
Write a program using two-‐dimensional arrays that computes the sum of data in rows and sum of data in columns of the 3x3 (three by three) array variable n[3[3].
Sample input/output dialogue:
5 9 8 = 22
3 8 2 = 13
4 3 9 = 16
-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐-‐
12 20 19
Balances at 31 January 2009:
Debtors control account.............................$32,400
Creditors control account...........................$25,200
Inventory...................................................$30,000
Balances at 28 February 2009:
Debtors control account.............................$24,000
Creditors control account...........................$29,160
Inventory...................................................$36,000
Extract from cash payments journal at 28 February 2009:
Payments to creditors.................................$41,040
Additional Information:
a) Gross profit mark-up is 20% on cost
b) Inventory is kept on the perpetual system
c) All purchases and 80% of sales are on credit
Required:
a) Calculate purchases.
b) If purchases during February were $39,000 what is the Cost of Goods Sold for February?
There are two truck kinds available to a transportation company: Type A and Type B. When comparing Type A with Type B, Type A has an overall volume of 20 m3 with equal portions for refrigerated and non-refrigerated stock, while Type B has an overall volume of 40 m3 with equal sections for both types of stock. 3,000 m3 of refrigerated stock and 4 000 m3 of nonrefrigerated goods must be transported by truck. Type A cars cost P30 per kilometer, whereas Type B cars cost P40 per kilometer. In order to keep rental costs to a low, how many of each kind of truck should the grocer rent?
E. Graphical Method; 1. 2x-3y=7;3x+y=5 2. 2x-5y=9;3x+4y=25
D. Cramer’s Rule; 1. 6x+3y= 6; 5x-3y=3 2. 2x-3y=5; 4x+10y=4
Equivalent Method; 1. 4x-6y=6 ; 7x-3y=6 2. 3x-3y=8; 9x- 4y=3
#340153 on Dec 2023