Advertisements
Advertisements
प्रश्न
Choose the correct alternative:
Which of the following cannot generate a Poisson distribution?
पर्याय
The number of telephone calls received in a ten-minute interval
The number of customers arriving at a petrol station
e number of bacteria found in a cubic feet of soil
The number of misprints per page
उत्तर
The number of customers arriving at a petrol station
APPEARS IN
संबंधित प्रश्न
If 5% of the items produced turn out to be defective, then find out the probability that out of 20 items selected at random there are atleast two defectives
If the probability of success is 0.09, how many trials are needed to have a probability of atleast one success as 1/3 or more?
Determine the binomial distribution for which the mean is 4 and variance 3. Also find P(X=15)
Assume that a drug causes a serious side effect at a rate of three patients per one hundred. What is the probability that atleast one person will have side effects in a random sample of ten patients taking the drug?
Define Poisson distribution
Define Standard normal variate
In a photographic process, the developing time of prints may be looked upon as a random variable having the normal distribution with a mean of 16.28 seconds and a standard deviation of 0.12 second. Find the probability that it will take less than 16.35 seconds to develop prints
Choose the correct alternative:
In a large statistics class, the heights of the students are normally distributed with a mean of 172 cm and a variance of 25 cm. What proportion of students is between 165cm and 181 cm in height?
Choose the correct alternative:
A statistical analysis of long-distance telephone calls indicates that the length of these calls is normally distributed with a mean of 240 seconds and a standard deviation of 40 seconds. What proportion of calls lasts less than 180 seconds?
People’s monthly electric bills in Chennai are normally distributed with a mean of ₹ 225 and a standard deviation of ₹ 55. Those people spend a lot of time online. In a group of 500 customers, how many would we expect to have a bill that is ₹ 100 or less?