Question

In: Statistics and Probability

The weights (in ounces) of Tree Frogs from the Southwest are distributed according to N(6.21, .84)N(6.21,...

The weights (in ounces) of Tree Frogs from the Southwest are distributed according to N(6.21, .84)N(6.21, .84), while the weights of Northeastern Tree Frogs are distributed according to N(8.14, .67)N(8.14, .67). What percentage of Northeastern Tree Frogs have weights greater than the mean weight of Tree Frogs from the Southwest? Give your answer as a percentage to two decimal places.

Solutions

Expert Solution


Related Solutions

The weights of ice cream cartons are normally distributed with a mean weight of 8 ounces...
The weights of ice cream cartons are normally distributed with a mean weight of 8 ounces and a standard deviation of 0.3 ounce. ​(a) What is the probability that a randomly selected carton has a weight greater than 8.09 ​ounces? ​(b) A sample of 16 cartons is randomly selected. What is the probability that their mean weight is greater than 8.09 ounces?
The weights of ice cream cartons are normally distributed with a mean weight of 20 ounces...
The weights of ice cream cartons are normally distributed with a mean weight of 20 ounces and a standard deviation of 0.5 ounces. You randomly select 25 cartons. What is the probability that their mean weight is greater than 20.06 ounces? 0.274 0.452 0.726 0.548
Suppose the weights of Farmer Carl's potatoes are normally distributed with a mean of 8.5 ounces...
Suppose the weights of Farmer Carl's potatoes are normally distributed with a mean of 8.5 ounces and a standard deviation of 0.8 ounces. Round your answers to 4 decimal places. (a) If one potato is randomly selected, find the probability that it weighs less than 7 ounces. (b) If one potato is randomly selected, find the probability that it weighs more than 10 ounces. (c) If one potato is randomly selected, find the probability that it weighs between 7 and...
Suppose the weights of Farmer Carl's potatoes are normally distributed with a mean of 8.0 ounces...
Suppose the weights of Farmer Carl's potatoes are normally distributed with a mean of 8.0 ounces and a standard deviation of 1.1 ounces. Suppose Carl bags his potatoes in randomly selected groups of 6. What percentage of these bags should have a mean potato weight between 7.5 and 8.5 ounces? Enter your answer as a percentage rounded to one decimal place.
The weights of ice cream cartons are normally distributed with a mean weight of 10 ounces...
The weights of ice cream cartons are normally distributed with a mean weight of 10 ounces and a standard deviation of 0.6 ounce. ​ (a) What is the probability that a randomly selected carton has a weight greater than 10.33 ​ounces? ​ (b) A sample of 16 cartons is randomly selected. What is the probability that their mean weight is greater than 10.33 ​ounces?
Suppose the weights of Farmer Carl's potatoes are normally distributed with a mean of 8.2 ounces...
Suppose the weights of Farmer Carl's potatoes are normally distributed with a mean of 8.2 ounces and a standard deviation of 1.3 ounces. (a) If 4 potatoes are randomly selected, find the probability that the mean weight is less than 10.0 ounces. Round your answer to 4 decimal places. (b) If 6 potatoes are randomly selected, find the probability that the mean weight is more than 9.6 ounces. Round your answer to 4 decimal places.
Potatoes: Suppose the weights of Farmer Carl's potatoes are normally distributed with a mean of 8.5 ounces and a standard deviation of 1.1 ounces.
Potatoes: Suppose the weights of Farmer Carl's potatoes are normally distributed with a mean of 8.5 ounces and a standard deviation of 1.1 ounces. Round your answers to 4 decimal places. (a) If one potato is randomly selected, find the probability that it weighs less than 7 ounces.(b) If one potato is randomly selected, find the probability that it weighs more than 12 ounces.(c) If one potato is randomly selected, find the probability that it weighs between 7 and 12...
Assume that the weights of fourteen bags of carrots (in ounces) selected at random from shelves...
Assume that the weights of fourteen bags of carrots (in ounces) selected at random from shelves of Ingles are as follows: 17.5, 18.2, 17.5, 18.9, 18.3, 14.5, 21.1, 20.2, 14.2, 25.2, 19.3, 17.2, 16.8, 19.1 For the data, can we conclude that the average weight of carrots sold at Ingles is different from 19.0 using a hypothesis test? What assumptions were necessary to do this test? Do you have any information on how valid they might be?
Birth weights. Suppose an investigator takes a random sample of n = 50 birth weights from...
Birth weights. Suppose an investigator takes a random sample of n = 50 birth weights from several teaching hospitals located in an inner-city neighborhood. In her random sample, the sample mean x is 3,150 grams and the standard deviation is 250 grams. (a) Calculate a 95% confidence interval for the population mean birth weight in these hospitals. (b) The typical weight of a baby at birth for the US population is 3,250 grams. The investigator suspects that the birth weights...
Suppose that the distribution of the weights of bags of carrots from brand A is N(1.2,0.049)...
Suppose that the distribution of the weights of bags of carrots from brand A is N(1.2,0.049) and the distribution of the weights of bags of carrots from brand A is N(3.5, 0.081). The weights of bags from two brands is independent. Selecting bags at random find a) The probability that the sum of a random sample of the weights of three bags from brand A exceeds the weight of a bag from brand B. Give answer to the 4th decimal....
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT