suppose that iTime is actually exponentially distributed with a mean of 5 years. What is the probability that an iPad is functional for between 6 and 8 years? (correct to 4 decimal places).
suppose that iTime is actually exponentially distributed with a mean of 5 years. What is the...
Suppose hard drive A has a lifetime that is exponentially distributed with mean of 7 years and hard drive B has a lifetime that is exponentially distributed with a mean of 4 years. What is the probability that drive B lasts at least 6 times longer than drive A?
6. Suppose that the lifetime of an Ollivander's magic wand is exponentially distributed with a mean of 20 years. Luna Lovegood has had her wand for 25 years. What is the probability that it will last an additional 10 years?
QUESTION 9 Given an exponentially distributed population with a mean of 148. 74% is the probability of being greater than what value? Give your answer to 2 decimal places QUESTION 9 Given an exponentially distributed population with a mean of 148. 74% is the probability of being greater than what value? Give your answer to 2 decimal places
The time between calls to a plumbing supply business is exponentially distributed with a mean time between calls of 14 minutes. (a) What is the probability that there are no calls within a 30-minute interval? 10.1353 (Round your answer to 4 decimal places.) (b) What is the probability that at least one call arrives within a 10-minute interval? || 0.4866 (Round your answer to 4 decimal places.) (c) What is the probability that the first call arrives within 5 and...
A random variable X is exponentially distributed with a mean of 0.23. a) What is the standard deviation of X? (Round your answer to 2 decimal places.) b) Compute P(X > 0.38). (Round intermediate calculations to at least 4 decimal places and final answer to 4 decimal places.) c) Compute P(0.16 ≤ X ≤ 0.38). (Round intermediate calculations to at least 4 decimal places and final answer to 4 decimal places.)
The time between calls to a plumbing supply business is exponentially distributed with a mean time between calls of 5-minutes. A) What is the probability that at least one call arrives within a 10-minute interval? B) What is the probability that at least one call arrives within 8 and 16 minutes after opening?
Exercise 2.3 The time between phone calls to a call center is exponentially distributed with mean 60 seconds. (a) What is the probability that exactly 4 calls arrive in the next 2 minutes? (6) What is the probability that at least 2 calls arrive in the next 2 minutes? (c) What is the probability that no buses arrive in the next 2 minutes? (d) Given that a call has just arrived, what is the probability that the next call arrives...
The time between arrivals of taxis at a busy intersection is exponentially distributed with a mean of 10 minutes. (ii) Suppose that you have already been waiting for one hour for a taxi. What is the probability that one arrives within the next 10 minutes? (iii) Determine x such that the probability that you wait more than x minutes is 0.10. (iv) Determine x such that the probability that you wait less than x minutes is 0.90.
Some statistics students estimated that the amount of change daytime statistics students carry is exponentially distributed with a mean of $0.88. Suppose that we randomly pick 25 daytime statistics students. Find the probability that the average of the 25 students was between $0.79 and $1.00. (Round your answer to four decimal places.)
5. A particular fruit's weights are normally distributed, with a mean of 704 grams and a standard deviation of 12 grams. If you pick 12 fruit at random, what is the probability that their mean weight will be between 692 grams and 701 grams (Give answer to 4 decimal places.) 6. A particular fruit's weights are normally distributed, with a mean of 286 grams and a standard deviation of 18 grams. If you pick 25 fruit at random, what is...