The lifespan of a car battery is normally distributed with μ = 5 years and o= 1.2 years. What is the probability that a new battery will last between 7 and 8 yea 4.16% 13.74% 2.15% 3.61%
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- In a certain year, the percent of persons (ages five and older) in each state who speak a language at home other than English was approximately exponentially distributed with a mean of 9.352. Suppose we randomly pick a state. Find the probability that the percent is between 6 and 17. (Round your answer to four decimal places.)An earth-conscious clothing store offers a 15% discount if you bring in a bag full of old clothing to recycle the fabric. The probability that each bag brought in will contain fabric that can actually be recycled is 69%. In a given day, if there are 20 bags of fabric brought in to recycle, calculate the following: Round each answer to 4 decimal places. The probability that at least 9 bags will contain fabric that can be recycledThe probability that a certain make of car will need repairs in the first six months is 0.36 . A dealer sells 6 such cars. What is the probability that at least one of them will require repairs in the first six months?Write only a number as your answer. Round your answer to four decimal places (for example: 0.7319). Do not write as a percentage.
- A group of people were asked if life exists elsewhere in the galaxy. 209 responded "Yes", and 227 responded "No". Find the probability that if a person is chosen at random, the person believes life exists elsewhere in the galaxy. Probability: (Round to 4 decimal places) %3D Submit Question 12.213 NOV 1 1. 17 tv MacBook AirA poll showed that 52.7% of Americans say they believe that life exists elsewhere in the galaxy. What is the probability (in percent form) of randomly selecting someone who does not believe that life exists elsewhere in the galaxy. Please round your answer to one decimal placeThe probability that a certain kind of component will survive a shock test is 3/4. Find the probability that exactly 2 of the next 4 components tested survive. Assume the test are independent. a.27/128 b.1/8 c.13/15 d.3/5
- At a certain University, the chance of a student receiving financial aid is 87%. 15 students are randomly and independently chosen. Use R/Rcmdr to find the probability that at most 12 of them are receiving financial aid. ROUND YOUR FINAL ANSWER TO 3 DECIMALS. Choose the most correct (closest) answer below? a.0.6916319 b.0.1204051 c.0.1879631 d.0.3083681Find the indicated probability and interpret the result. From 1975 through 2020, the mean annual gain of the Dow Jones Industrial Average was 653. A random sample of 34 years is selected from this population. What is the probability that the mean gain for the sample was between 400 and 800? Assume o = 1540. The probability is (Round to four decimal places as needed.) Interpret the result. Select the correct choice and fill in the answer box to complete your choice. (Round to two decimal places as needed.) O A. About OB. About OC. About OD. About % of samples of 46 years will have an annual mean gain between 400 and 800. % of samples of 34 years will have an annual mean gain between 653 and 800. % of samples of 34 years will have an annual mean gain between 400 and 800. % of sampl of 34 years will have an annual mean gain between 400 and 653.The chance of an email being spam is 44%. If you receive 33 emails in a single day, find the probability that exactly 14 of them are spam. Round to the nearest tenth of a percent (1 decimal place percent).
- Delivery times for shipments from a central warehouse are exponentially distributed with a mean of 1.97 days (note that times are measured continuously, not just in number of days). A random sample of 52 shipments are selected and their shipping times are observed. Approximate the probability that the average shipping time is less than 1.67 days. Enter your answer as a number accurate to 4 decimal places. Submit Question Chp -> % 7 8. 60 口 5 %24 %23 3mA poll showed that 44.5% of Americans say they believe that life exists elsewhere in the galaxy. What is the probability (in percent form) of randomly selecting someone who does not believe that life exists elsewhere in the galaxy. Probability = % (Please round your answer to one decimal place.) %3D Submit Question 17,123 NOV 1 16 tv MacBook Air 80 888 F3 F4 F5 F6 F720% of the patron's order the chef's special. The probability that 2 out of the next ten customers will order the chef's special is? (round your answer to three decimal places).
