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A textile manufacturing process finds that on average, 3 flaws occur per every 180 yards of material produced.
a. What is the probability of exactly 1 flaws in a 180-yard piece of material? (Round your intermediate calculations and final answer to 4 decimal places.)
b. What is the probability of no more than 2 flaws in a 180-yard piece of material? (Round your intermediate calculations and final answer to 4 decimal places.)
c. What is the probability of no flaws in a 72-yard piece of material? (Round your intermediate calculations and final answer to 4 decimal places.)
accept on faith that the characteristic function of the cauchy distribution with density fx x 1?1x2 for ?? lt x lt ?
Can researcher conclude that humidity has significant effect on eating behaviour? Use two-tailed test with a = 0.05.
suppose the incubation period for land turtle eggs is normally distributed with a mean of sixty-seven days and standard
Find the probability that a random sample of 50 customers will take between 90 and 112.5 minutes to complete all their transactions. That is, find the probability that will be between 1.8 and 2.25 minutes.
in basketball a players free throws percentage ft is expressed as a number between 0 and 1 which represents the
a. How many different 3-course meals can be ordered from this menu? (Draw a tree diagram to help visualize this sample space; or use the counting rule to find the total number of meals.)
q1. bmi in children is approximately normally distributed with a mean of 24.5 and a standard deviation of 6.2. a bmi
A study regarding the relationship between age and the amount of pressure sales personnel feel in relation to their jobs revealed the following sample information.
At 0.01 significance level is it sensible to conclude that modification reduced number of traffic accidents?
Make (a) a frequency table, (b) a histogram, and (c) a frequency polygon. Then describe the general shape of the distribution.
The owner hypothesizes that his patrons have no preference for a particular court. He observes how many people play on each court on a particular day.
The average time it took then to change a water pump was 18 minutes. The SD of the sample was 3. Find the 99% of the interval of the true mean.
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