Question: need help Question 3 [20 marks] (a) The mean wage for all 5500 employees who work at a large company is RM12.50 per hour and

need help

Question 3 [20 marks] (a) The mean wage for all 5500 employees who work at a large company is RM12.50 per hour and the standard deviation is RM1.70 per hour. Let & be the mean wage per hour for a random sample of certain employees selected from this company. Find the mean and standard deviation of x for a sample size of 50. i (3 marks) (b) A sample of 1500 cakes sold recently in a bakery gave the mean price of cakes equal to RM60.40. The population standard deviation of the prices of cakes in this bakery is RM3.50. Construct a 95% confidence interval for the mean price of all cakes in this bakery. (7 marks) (c) A random sample of eleven packages was selected from a machine packaging sugar in packages marked 500g. The actual weights of salt in kg were: 498 502 503 504 495 499 501 498 500 499 503 Assuming that the weights are normally distributed, calculate a 95% confidence interval for the mean weight of salt in packages marked 500g, (10 marks)

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Accounting Questions!

Kindly help me to do this thank you Question 1 [20 marlce] (a) The following data represent the price (in sen) of 100 grams of red chillies in the local market for 20 consecutive days. 32 81 BO 85 95...

Question 3 [20 marks] (a) The mean wage for all 5000 employees who work at a large company is RM21.50 per hour and the standard deviation is RM3.50 per hour Let be the mean wage per hour for a random...

FACULTY OF COMMERCE, MANAGEMENT AND LAW Assignment Questions AAM3691/2022 ASSIGNMENT QUESTIONS ASSIGNMENT 1 55 000 QUESTION 1 (30 MARKS) ABC Company ("ABC") is a company that manufactures bill boards...

AAM3691/2022 ASSIGNMENT QUESTIONS ASSIGNMENT 1 QUESTION 1 (30 MARKS) ABC Company ("ABC") is a company that manufactures billboards which is based in Ondangwa. The owner of ABC has little accounting...

Management Accounting QUESTION 3 (20 MARKS) Part A Namibia Body Works (NBW) is a renowned panel beating company based in Windhoek. The business uses sophisticated machinery in the panel beating...

Old MathJax webview can anyone help me with this?? i really need help to submit this. i would really appreciate to you guys if can help me with this in an hour. i need to submit answer in xcell THE...

Hello there i need a help with these question and solution TQ FE SS 15/16 - QUESTION 5 [20 marks] Tiramisu & Butter Sdn. Bhd. is considering an expansion of its product line. The proposed expansion...

QUESTION 1 (20 Marks) State whether each of the statements below is TRUE or FALSE. If FALSE, provide a reason. 1.1. In a data set, the range is a measure of dispersion. 1.2. The most frequently...

SECTION A [40 MARKS] Read the article provided below and answer question 1 and 2 High-flying Amplats Sets Next Wave of Strategy in Motion 18TH FEBRUARY 2019 MARTIN CREAMER JOHANNESBURG...

Is the App appealing to all age groups? Lion Foods has a high proportion of older customers and the company has tried to attract them to using the App by making a lot of the Boost promotions...

The most appropriate financing pattern would be one in which asset buildup and length of financing terms is perfectly matched. Discuss the difficulty involved in achieving this financing pattern.

Since PostgreSQL does not use the header row, we use the _ _ _ _ _ _ _ _ _ _ option in the COPY command to exclude it . Question 6 options: WITHOUT HEADER EXCLUDE FORMAT

Prepare the income statement from the following data: Gross sales: 200 lakhs; Excise duty and discount: 10 lakhs, Annual fixed cost: 70 lakhs; and variable cost; 100 lakhs. The company expects a net...

OUTCOME 3 Describe benefits that involve payment for time not worked.

OUTCOME 1 Describe key aspects of managing employee benefits and the characteristics of strategic benefits programs that are cost-effective.

1. Nurses at Adelphi Hospital, in British Columbia, have been quitting their jobs for more lucrative deals in the United States. The hospitals administration would like to pursue a coherent strategy...