Assignment # 02 Course code: BMNG 201 Course name: Business Statistics Student ID: Student Name: Section: Deadline date: 13th May, 2021 ( 12:00 pm ) Submitted to: Mudassar Mahmood Q

Assignment # 02 Course code: BMNG 201 Course name: Business Statistics Student ID: Student Name: Section: Deadline date: 13th May, 2021 ( 12:00 pm ) Submitted to: Mudassar Mahmood Q. No: Max. Marks: 1. 04 2. 08 3. 04 4. 09 Total 25 Marks Obtained: Faculty: Mudassar Mahmood (4 Marks) Question 1: Ten measurements gave the following results: Length in cm: 74, 78, 79, 77, 73, 75, 70, 72, 76, 75, 72, 74, 76 Find Variance, Standard deviation and Co-efficient of variation. Question 2: Five coins are tossed. Find the following probabilities. (i) Exactly two heads (v) (ii) At least one head (vi) (iii) At most one head (vii) (iv) All faces are same (viii) (8 Marks) Exactly two tails At least one tail At most one tail Equal number of heads and tails Question 3: A digit is selected at random from first 20 natural numbers. Find the probabilities that the selected digit is multiple of 4 or multiple of 6. (4 Marks) Question 4: Large lots of incoming products at a manufacturing plant are inspected for defective by means of a sampling scheme. Only 9 items are to be examined and the lot is rejected if 4 or more defectives are observed. If a lot contains 25% defectives, what is the probability that lot will be: (9 Marks) (i) Accepted? (ii) Rejected?