2786 · Question 10 A manufacturer knows that their items have a normally distributed lifespan, with...
A retirement Confidence survery of 1,141 workers and retirees in the UK 25 years of age and older conducted by employee research in January 2010 found that 495 has less than $10k in savings. Round to 4 decimals A. Obtain a point estimate for the population proportion of workers and retirees in the UK 25 years of age and older who have less 10k saving B Construct a 95% confidence interval for the proportion of workers and retirees in the...
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 13 years, and standard deviation of 2.5 years. If you randomly purchase one item, what is the probability it will last longer than 20 years? A manufacturer knows that their items have a normally distributed lifespan, with a mean of 5.8 years, and standard deviation of 1.9 years. The 5% of items with the shortest lifespan will last less than how many years?
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 14.5 years, and standard deviation of 3.4 years. The 6% of items with the shortest lifespan will last less than how many years?
-A manufacturer knows that their items have a normally distributed lifespan, with a mean of 9.2 years, and standard deviation of 3 years.The 2% of items with the shortest lifespan will last less than how many years?
Question 15 A manufacturer knows that their items have a normally distributed lifespan, with a mean of 4.7 years, and standard deviation of 0.6 years. If 5 items are picked at random, 1% of the time their mean life will be less than how many years? Give your answer to one decimal place. Question Help: Message instructor 2 Calculator Submit Question Question 16 34708 29
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 11.5 years, and standard deviation of 2.7 years. The 5% of items with the shortest lifespan will last less than how many years? Give your answer to one decimal place.
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 11.8 years, and standard deviation of 1.3 years. The 7% of items with the shortest lifespan will last less than how many years? Give your answer to one decimal place.
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 3.9 years, and standard deviation of 1 years. If 10 items are picked at random, 4% of the time their mean life will be less than how many years? Give your answer to one decimal place.
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 4.5 years, and standard deviation of 1 years. If 22 items are picked at random, 1% of the time their mean life will be less than how many years? Give your answer to one decimal place.
A manufacturer knows that their items have a normally distributed lifespan, with a mean of 10.3 years, and standard deviation of 3 years. If 19 items are picked at random, 6% of the time their mean life will be less than how many years? Give your answer to one decimal place.