MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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Assume that the ramdom variable X is
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- The mean incubation time for a type of fertilized egg kept at a certain temperature is 22 days. Suppose that the incubation times are approximately normally distributed with a standard deviation of 2 days. Complete parts (a) through (e) below. b. Find and interpret the probability that a randomly selected fertilized egg hatches in less than 20 days. c. Find and interpret the probability that a randomly selected fertilized egg takes over 24 days to hatch. d. Find and interpret the probability that a randomly selected fertilized egg hatches between 18 and 22 days. e. Would it be unusual for an egg to hatch in less than 16 days? Why? The probability of an egg hatching in less than 16 days is __ so it would not or would be unusual, since the probability is greater or less than 0.05.arrow_forwardsuppose the length of the pregnancies of a certain animal is approximately normally distributed with mean = 100 days and standard deviation = 7 what is the probability that a randomly selected pregnancy less than 110 days?arrow_forwardThe mean incubation time for a type of fertilized egg kept at a certain temperature is 25 days. Suppose that the incubation times are approximately normally distributed with a standard deviation of 1 day. Complete parts (a) through (e) below. (a) Draw a normal model that describes egg incubation times of these fertilized eggs. Choose the correct graph below. Click here to view graph c. Click here to view graph d. Click here to view graph a. Click here to view graph b. (b) Find and interpret the probability that a randomly selected fertilized egg hatches in less than 24 days. The probability that a randomly selected fertilized egg hatches in less than 24 days is (Round to four decimal places as needed.) Interpret this probability. Select the correct choice below and fill in the answer box to complete your choice. (Round to the nearest integer as needed.) A. If 100 fertilized eggs were randomly selected, of them would be expected to hatch in less than 24 days. B. If 100 fertilized eggs…arrow_forward
- A survey was given to 357 people asking whether people like dogs and/or cats. 172 said they like dogs 169 said they like cats 86 sald they don't like cats or dogs. How many said they liked both cats and dogs? people liked both cats and dogs.arrow_forwardThe waiting times between a subway departure schedule and the arrival of a passenger are uniformly distributed between zero and eight minutes find the probability that a randomly selected passenger has a waiting time greater than 3.25 minutes.arrow_forwardThe amounts of time per workout an athlete uses a stairclimber are normally distributed, with a mean of 20 minutes and a standaard deviation of 7 mintuses. Find the probability that a randomly selected athlete uses a stairclimber for (a) less than 15 minutes (b) between 20 and 27 minutes and (c) more than 30 minutes (a) The probability that a randomly selected athlete uses a stairclimber for less than 15 minutes is ( round to four decimal places as needed )arrow_forward
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