A large fish tank
A large tank of fish from a hatchery is being delivered to a lake. The hatchery claims that the mean length of fish in the tank is 15 inches, and the standard deviation is 3 inches. A random sample of 56 fish is taken from the tank. Let x be the mean sample length of these fish. What is the probability that x is within 0.5 inch of the claimed population mean? (Round your answer to four decimal places.)
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A large tank of fish from a hatchery is being delivered to a lake. The hatchery...
A large tank of fish from a hatchery is being delivered to a lake. The hatchery claims that the mean length of fish in the tank is 15 inches, and the standard deviation is 7 inches. A random sample of 53 fish is taken from the tank. Let x be the mean sample length of these fish. What is the probability that x is within 0.5 inch of the claimed population mean? (Round your answer to four decimal places.)
A large tank of fish from a hatchery is being delivered to a lake. The hatchery...
A large tank of fish from a hatchery is being delivered to a lake. The hatchery claims that the mean length of fish in the tank is 15 inches, and the standard deviation is 4inches. A random sample of 39 fish is taken from the tank. Let x be the mean sample length of these fish. What is the probability that x is within 0.5 inch of the claimed population mean? (Round your answer to four decimal places.)
A large tank of fish from a hatchery is being delivered to a lake. The hatchery...
A large tank of fish from a hatchery is being delivered to a lake. The hatchery dams that the mean length of fish in the tank is 15 inches, and the standard deviation is 3 inches. A random sample of 46 fish is taken from the tank. Let x be the mean sample length of these fish. What is the probability that is within 0.5 inch of the claimed population mean? (Round your answer to four decimal places.) Need Help?...
4. Assume that x has a normal distribution with u = 2.8 and o = 0.33....
4. Assume that x has a normal distribution with u = 2.8 and o = 0.33. Find Plx 22). A. 0.9922 B. 0.6485 C. 0.4523 D. 0.0078 Suppose x has a distribution with u = 54 and o = 4. If random samples of size n = 16 are selected, can we say anything about the x distribution of sample means? A. Yes, the x distribution is normal with mean Hz = 54 and 0 = 1. B. Yes, the...
3. A large pet store that specializes in tropical fish has several thousand guppies. The store...
3. A large pet store that specializes in tropical fish has several thousand guppies. The store claims that the guppies have a mean length of 5 cm and a standard deviation of 0.5 cm. You come to the store and buy 10 randomly-selected guppies and find that the mean length of your 10 guppies is 4.8 cm. This makes you suspect that the mean fish length is not what the store says it is. To explore this further, you assume...
3. A large pet store that specializes in tropical fish has several thousand guppies. The store...
3. A large pet store that specializes in tropical fish has several thousand guppies. The store claims that the guppies have a mean length of 5 cm and a standard deviation of 0.5 cm. You come to the store and buy 10 randomly-selected guppies and find that the mean length of your 10 guppies is 4.8 cm. This makes you suspect that the mean fish length is not what the store says it is. To explore this further, you assume...
A) The length of trout in a lake follows a normal distribution with mean length of...
A) The length of trout in a lake follows a normal distribution with mean length of 16 inches and standard deviation of 1.5 inches. What is the probability that the length of a single fish is between 13 and 19 inches? B) What is the probability that this or a more extreme sample mean can be drawn from this population? C) Your friend claims that he caught 36 trout from this lake and their average length was 18 inches. Do...
Show all work and calc functions. For each Hypothesis test you need to use the p-value...
Show all work and calc functions. For each Hypothesis
test you need to use the p-value method and your calculator, write
(i) H0, Ha, (ii) Identify the Original Claim
(iv) Identify the Random Variable & Distribution, (v)
Calculator function used with values inputted to find the P-value
(vi) the p-value with ,Decision and Conclusion
5. (8 points) Suppose you work for the Department of Natural Resources and you want to estimate, with 95% confidence, the mean (average) length of all...
According to the Current Results website, the state of California has a mean annual rainfall of...
According to the Current Results website, the state of California has a mean annual rainfall of 25 inches, whereas the state of New York has a mean annual rainfall of 55 inches. Assume that the standard deviation for both states is 3 inches. A sample of 30 years of rainfall for California and a sample of 45 years of rainfall for New York has been taken. Use z-table. A.) Show the probability distribution of the sample mean annual rainfall for...
According to the Current Results website, the state of California has a mean annual rainfall of...
According to the Current Results website, the state of California has a mean annual rainfall of 25 inches, whereas the state of New York has a mean annual rainfall of 55 inches. Assume that the standard deviation for both states is 3 inches. A sample of 30 years of rainfall for California and a sample of 45 years of rainfall for New York has been taken. Use z-table. A.) Show the probability distribution of the sample mean annual rainfall for...
A large tank of fish from a hatchery is being delivered to a lake. The hatchery dams that the mean length of fish in the tank is 15 inches, and the standard deviation is 3 inches. A random sample of 46 fish is taken from the tank. Let x be the mean sample length of these fish. What is the probability that is within 0.5 inch of the claimed population mean? (Round your answer to four decimal places.) Need Help?...
4. Assume that x has a normal distribution with u = 2.8 and o = 0.33. Find Plx 22). A. 0.9922 B. 0.6485 C. 0.4523 D. 0.0078 Suppose x has a distribution with u = 54 and o = 4. If random samples of size n = 16 are selected, can we say anything about the x distribution of sample means? A. Yes, the x distribution is normal with mean Hz = 54 and 0 = 1. B. Yes, the...
3. A large pet store that specializes in tropical fish has several thousand guppies. The store claims that the guppies have a mean length of 5 cm and a standard deviation of 0.5 cm. You come to the store and buy 10 randomly-selected guppies and find that the mean length of your 10 guppies is 4.8 cm. This makes you suspect that the mean fish length is not what the store says it is. To explore this further, you assume...
3. A large pet store that specializes in tropical fish has several thousand guppies. The store claims that the guppies have a mean length of 5 cm and a standard deviation of 0.5 cm. You come to the store and buy 10 randomly-selected guppies and find that the mean length of your 10 guppies is 4.8 cm. This makes you suspect that the mean fish length is not what the store says it is. To explore this further, you assume...
Show all work and calc functions. For each Hypothesis
test you need to use the p-value method and your calculator, write
(i) H0, Ha, (ii) Identify the Original Claim
(iv) Identify the Random Variable & Distribution, (v)
Calculator function used with values inputted to find the P-value
(vi) the p-value with ,Decision and Conclusion
5. (8 points) Suppose you work for the Department of Natural Resources and you want to estimate, with 95% confidence, the mean (average) length of all...
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