Suppose that the mean number of radioactive particles crossing over a counter in 1 millisecond is 4. What is the likelihood that at least 4 particles enter the counter in a given millisecond?
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- Assume that adults have IQ scores that are normally distributed with a mean of mu equals 100 and a standard deviation sigma equals 20. Find the probability that a randomly selected adult has an IQ less than 136. The probability that a randomly selected adult has an IQ less than 136 is?the length of the shower in a tropical island during rany season has a exponential Dstributed with mean 1/2. What is the probability that a shower will laast for more than 3 minutes . if a shower has already lasted for 2 minutes.What is the probability thta it will last atleast for 1 more minuteAssume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. A single thermometer is randomly selected and tested. Find the probability of obtaining a reading between -0.51°C and -0.47°C.
- Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. A single thermometer is randomly selected and tested. Find the probability of obtaining a reading between -3.107°C and -1.382°C. Use 4 decimal places.Assume that females have pulse rates that are normally distributed with a mean of u=74.0 beats per minute and a standard deviation of o = 12.5 beats per minute. if 4 adult females are randomly, find the probability that they have pulse rates with a mean between 67 beats per minute and 81 beats per minute.The distribution of distances travelled in kilometres by patrons of a supermarket is known to follow an exponential distribution with a lambda value of .6 per kilometre. What is the probability of selecting a shopper at random and finding that she or he travelled more than 2 km?
- the time X that a lightbulb can last (life lenght) is a distribution with mean 1 year and standard deviation 0.5 years. suppose we have 100 such lightbulbs, what is the probability that the average life length of the lightbulks is greater than 1.02 years? what is theorem you are using here?Show your complete solutionAssume that adults have IQ scores that are normally distributed with a mean of μ=105 and a standard deviation σ=15. Find the probability that a randomly selected adult has an IQ less than 120. The probability that a randomly selected adult has an IQ less than 120 is
- Assume that adults have IQ scores that are normally distributed with a mean of μ=100and a standard deviation σ=20. Find the probability that a randomly selected adult has an IQ less than 128.Assume that the readings at freezing on a bundle of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. A single thermometer is randomly selected and tested. Find the probability of obtaining a reading less than -2.506°C.Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0°C and a standard deviation of 1.00°C. A single thermometer is randomly selected and tested. Find the probability of obtaining a reading between -1.24°C and 0°C.