Study the information provided below and answer questions 10-12 INFORMATION A team of product testing engineers has established that the lifespan of an XXXTM brand of digital smartwatch is normally distributed, with a mean of 60 months and the standard deviation of 10 months. According to the manufacturer's policy, any XXXTM smartwatch malfunctioning within 43 months of purchase will be replaced with a new one. QUESTION 10 (4 Marks) What is the probability that a recently purchased XXXTM digital smartwatch will last between 40 months and 85 months? A. 0.8867 8. 0.9710 c. 0.7848 a. 0.9290 QUESTION 11 (4 Marks) What is the probability that a recently purchased XXXTM digital smartwatch will last at least 82 months? A. 0.9861 B. 0.0861 c. 0.4861 D. 0.0139 QUESTION 12 (4 Marks) Based on the manufacturer's policy, what percentage of the XXXTM digital smartwatches are expected to be replaced? A. 5.00% B. 4.46% c. 7.81% D. 2.83% Use the information provided below to answer questions 13-15. INFORMATION I According to the Automobile Association of South Africa, sixty percent of vehicles on South African roads lack insurance coverage. During a recent roadblock, ten motorists were randomly stopped and asked about their vehicle insurance status. QUESTION 13 (4 Marks) What is the probability that exactly six of the motorists will report having insurance for their vehicles? A. 0.1115 a. 0.0124 c. 0.0154 a. 0.2230 QUESTION 14 (4 Marks) What is the probability that at least two of the motorists will report having insurance for their vehicles? A. 0.9861 8. 0.0464 c. 0.9536 0.0212 E S 人 ^ Study the information provided below and answer questions 10-12. INFORMATION A team of product testing engineers has established that the lifespan of an XXXTM brand of digital smartwatch is normally distributed, with a mean of 60 months and the standard deviation of 10 months. According to the manufacturer's policy, any XXXTM smartwatch malfunctioning within 43 months of purchase will be replaced with a new one. QUESTION 10 (4 Marks) What is the probability that a recently purchased XXXTM digital smartwatch will last between 40 months and 85 months? A. 0.8867 B. 0.9710 c. 0.7848 D. 0.9290 QUESTION 11 What is the probability that a recently purchased XXXTM A. 0.9861 8. 0.0861 (4 Marks) digital smartwatch will last at least 82 months? C. 0.4861 D. 0.0139

Study the information provided below and answer questions 10-12 INFORMATION A team of product testing engineers has established that the lifespan of an XXXTM brand of digital smartwatch is normally distributed, with a mean of 60 months and the standard deviation of 10 months. According to the manufacturer's policy, any XXXTM smartwatch malfunctioning within 43 months of purchase will be replaced with a new one. QUESTION 10 (4 Marks) What is the probability that a recently purchased XXXTM digital smartwatch will last between 40 months and 85 months? A. 0.8867 8. 0.9710 c. 0.7848 a. 0.9290 QUESTION 11 (4 Marks) What is the probability that a recently purchased XXXTM digital smartwatch will last at least 82 months? A. 0.9861 B. 0.0861 c. 0.4861 D. 0.0139 QUESTION 12 (4 Marks) Based on the manufacturer's policy, what percentage of the XXXTM digital smartwatches are expected to be replaced? A. 5.00% B. 4.46% c. 7.81% D. 2.83% Use the information provided below to answer questions 13-15. INFORMATION I According to the Automobile Association of South Africa, sixty percent of vehicles on South African roads lack insurance coverage. During a recent roadblock, ten motorists were randomly stopped and asked about their vehicle insurance status. QUESTION 13 (4 Marks) What is the probability that exactly six of the motorists will report having insurance for their vehicles? A. 0.1115 a. 0.0124 c. 0.0154 a. 0.2230 QUESTION 14 (4 Marks) What is the probability that at least two of the motorists will report having insurance for their vehicles? A. 0.9861 8. 0.0464 c. 0.9536 0.0212 E S 人 ^ Study the information provided below and answer questions 10-12. INFORMATION A team of product testing engineers has established that the lifespan of an XXXTM brand of digital smartwatch is normally distributed, with a mean of 60 months and the standard deviation of 10 months. According to the manufacturer's policy, any XXXTM smartwatch malfunctioning within 43 months of purchase will be replaced with a new one. QUESTION 10 (4 Marks) What is the probability that a recently purchased XXXTM digital smartwatch will last between 40 months and 85 months? A. 0.8867 B. 0.9710 c. 0.7848 D. 0.9290 QUESTION 11 What is the probability that a recently purchased XXXTM A. 0.9861 8. 0.0861 (4 Marks) digital smartwatch will last at least 82 months? C. 0.4861 D. 0.0139

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.5: Comparing Sets Of Data

Problem 14PPS

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Transcribed Image Text:Study the information provided below and answer questions 10-12 INFORMATION A team of product testing engineers has established that the lifespan of an XXXTM brand of digital smartwatch is normally distributed, with a mean of 60 months and the standard deviation of 10 months. According to the manufacturer's policy, any XXXTM smartwatch malfunctioning within 43 months of purchase will be replaced with a new one. QUESTION 10 (4 Marks) What is the probability that a recently purchased XXXTM digital smartwatch will last between 40 months and 85 months? A. 0.8867 8. 0.9710 c. 0.7848 a. 0.9290 QUESTION 11 (4 Marks) What is the probability that a recently purchased XXXTM digital smartwatch will last at least 82 months? A. 0.9861 B. 0.0861 c. 0.4861 D. 0.0139 QUESTION 12 (4 Marks) Based on the manufacturer's policy, what percentage of the XXXTM digital smartwatches are expected to be replaced? A. 5.00% B. 4.46% c. 7.81% D. 2.83% Use the information provided below to answer questions 13-15. INFORMATION I According to the Automobile Association of South Africa, sixty percent of vehicles on South African roads lack insurance coverage. During a recent roadblock, ten motorists were randomly stopped and asked about their vehicle insurance status. QUESTION 13 (4 Marks) What is the probability that exactly six of the motorists will report having insurance for their vehicles? A. 0.1115 a. 0.0124 c. 0.0154 a. 0.2230 QUESTION 14 (4 Marks) What is the probability that at least two of the motorists will report having insurance for their vehicles? A. 0.9861 8. 0.0464 c. 0.9536 0.0212 E S 人 ^

Transcribed Image Text:Study the information provided below and answer questions 10-12. INFORMATION A team of product testing engineers has established that the lifespan of an XXXTM brand of digital smartwatch is normally distributed, with a mean of 60 months and the standard deviation of 10 months. According to the manufacturer's policy, any XXXTM smartwatch malfunctioning within 43 months of purchase will be replaced with a new one. QUESTION 10 (4 Marks) What is the probability that a recently purchased XXXTM digital smartwatch will last between 40 months and 85 months? A. 0.8867 B. 0.9710 c. 0.7848 D. 0.9290 QUESTION 11 What is the probability that a recently purchased XXXTM A. 0.9861 8. 0.0861 (4 Marks) digital smartwatch will last at least 82 months? C. 0.4861 D. 0.0139

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