normal distribution
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The weight of items produced by a machine is normally distributed with a mean of 8...
The weight of items produced by a machine is normally distributed with a mean of 8 ounces and a standard deviation of 2 ounces. Refer to Exhibit 6-5. What is the probability that a randomly selected item will weigh more than 12 ounces? The Probability is
Exhibit 6-5 The weight of items produced by a machine is normally distributed with a mean...
Exhibit 6-5 The weight of items produced by a machine is normally distributed with a mean of 8 ounces and a standard deviation of 2 ounces. Refer to Exhibit 6-5. What is the probability that a randomly selected item will weigh more than 10 ounces?
Suppose that the weight of sweet cherries is normally distributed with mean μ=6 ounces and standard...
Suppose that the weight of sweet cherries is normally distributed with mean μ=6 ounces and standard deviation σ=1.4 ounces. What proportion of sweet cherries weigh more than 4.7 ounces? Round your answer to four decimal places.
5. The weights of items produced by a company are normally distributed with a mean of...
5. The weights of items produced by a company are normally distributed with a mean of 9.00 ounces and a standard deviation of 0.6 ounces. a. What is the probability that a randomly selected item from the production will weigh at least 8.28 ounces? b. What percentage of the items weigh between 9.6 and 10.08 ounces? c. Determine the minimum weight of the heaviest 5% of all items produced. d. If 27,875 of the items of the entire production weigh...
Suppose that the weight of Florida navel oranges is normally distributed with mean µ = 8...
Suppose that the weight of Florida navel oranges is normally distributed with mean µ = 8 ounces, and standard deviation σ = 1.5 ounces. (a) (1 point) State the model in notation form. (b) (2 points) What proportion of oranges weigh more than 11.5 ounces? (c) (2 points) What proportion of oranges weigh less than 8.7 ounces? (d) (2 points) What proportion of oranges weigh between 6.2 and 7 ounces? Page 3 (e) (5 points) What are the median, mode,...
math- stats and prob
The weight of a sophisticated running shoe is normally distributed with a mean of 13 ounces.(b)Suppose that the standard deviation is actually 0.82. If we sample 8 such running shoes, find the probability that exactly 3 of those shoes weigh more than 14 ounces.
Problem #6: The weight of a sophisticated running shoe is normally distributed with a mean of...
Problem #6: The weight of a sophisticated running shoe is normally distributed with a mean of 14 ounces. (a) What must the standard deviation of weight be in order for the company to state that 95% of its shoes weight less than 15 ounces? (b) Suppose that the standard deviation is actually 0.83. If we sample 8 such running shoes, find the probability that exactly 4 of those shoes weigh more than 15 ounces. Problem #6(a): Round your answer to...
9. (Normal distribution.) Birth weight of babies delivered at term can be mode a normal distribution...
9. (Normal distribution.) Birth weight of babies delivered at term can be mode a normal distribution with mean p = 200 ounces, and standard deviation o = 20 our Using this model, find: a. The percent of bables delivered at term that weigh between 200 ounces and 216 Ounces b. The percent of bables delivered at term that weigh more than 216 ounces. 10. (Coin Tossing. You shake up 100 pennies in a jar and empty them on a table....
please answer and explain both examples Problem 3. The fares received by taxi drivers working for...
please answer and explain both examples
Problem 3. The fares received by taxi drivers working for the Sunshine Cab Company are normally distributed with a mean of $12.50 and a standard deviation of $3.25. Suppose a driver has four independent consecutive fares, and two of those fares are less than $6.00 while two are more. What is the probability of this happening? Problem 4. Consumer products are required by law to contain at least as much as the amount printed...
Assignment #7: AB. The height at the shoulder) of adult African bush elephants has a normal...
Assignment #7: AB. The height at the shoulder) of adult African bush elephants has a normal distribution with mean 3.3 meters and standard deviation 0.2 meters. (i) What proportion of the elephants have heights greater than 4 meters? (ii) Find the 67th percentile of the elephant heights. AC. Suppose the weight of a 1-year-old perch is normally distributed with mean 8.4 ounces and standard deviation 2 ounces. (i) What proportion of 1-year-old perch weigh less than 9 ounces? (ii) Find...
5. The weights of items produced by a company are normally distributed with a mean of 9.00 ounces and a standard deviation of 0.6 ounces. a. What is the probability that a randomly selected item from the production will weigh at least 8.28 ounces? b. What percentage of the items weigh between 9.6 and 10.08 ounces? c. Determine the minimum weight of the heaviest 5% of all items produced. d. If 27,875 of the items of the entire production weigh...
Problem #6: The weight of a sophisticated running shoe is normally distributed with a mean of 14 ounces. (a) What must the standard deviation of weight be in order for the company to state that 95% of its shoes weight less than 15 ounces? (b) Suppose that the standard deviation is actually 0.83. If we sample 8 such running shoes, find the probability that exactly 4 of those shoes weigh more than 15 ounces. Problem #6(a): Round your answer to...
9. (Normal distribution.) Birth weight of babies delivered at term can be mode a normal distribution with mean p = 200 ounces, and standard deviation o = 20 our Using this model, find: a. The percent of bables delivered at term that weigh between 200 ounces and 216 Ounces b. The percent of bables delivered at term that weigh more than 216 ounces. 10. (Coin Tossing. You shake up 100 pennies in a jar and empty them on a table....
please answer and explain both examples
Problem 3. The fares received by taxi drivers working for the Sunshine Cab Company are normally distributed with a mean of $12.50 and a standard deviation of $3.25. Suppose a driver has four independent consecutive fares, and two of those fares are less than $6.00 while two are more. What is the probability of this happening? Problem 4. Consumer products are required by law to contain at least as much as the amount printed...
Assignment #7: AB. The height at the shoulder) of adult African bush elephants has a normal distribution with mean 3.3 meters and standard deviation 0.2 meters. (i) What proportion of the elephants have heights greater than 4 meters? (ii) Find the 67th percentile of the elephant heights. AC. Suppose the weight of a 1-year-old perch is normally distributed with mean 8.4 ounces and standard deviation 2 ounces. (i) What proportion of 1-year-old perch weigh less than 9 ounces? (ii) Find...
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