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being wil U UL ILS UPP 6. Suppose the weight of "10-pound" bag of flour is...
Potato weight in a local farm has a mean of 0.5 pound, and standard deviation of...
Potato weight in a local farm has a mean of 0.5 pound, and standard deviation of 0.15 pound. This year, the famer decided to pack 20 potatoes into a bag and label as 10 pounds. When the potatoes are sent to a grocery store, the store manager will randomly select a bag to see if it is underweight (less than 9.5 pounds). (1) (10pts) What is the chance that any randomly selected bag to be underweight (Assume you can apply...
Suppose the population average amount of dog biscuits in a bag is 40 pounds with a...
Suppose the population average amount of dog biscuits in a bag is 40 pounds with a standard deviation of 6 pounds. A simple random sample of 64 bags is selected. 50% of the time the sample mean weight is less than what?
In a quarter-pound bag of red pistachio nuts, some shells are too difficult to pry open...
In a quarter-pound bag of red pistachio nuts, some shells are too difficult to pry open by hand. Suppose the random variable X, the number of pistachios in a randomly selected bag that cannot be opened by hand, has the probability distribution given in the table below. X 0 p(x) 0.500 3 4 5 0.250 0.100 0.050 0.065 0.035 (a) Is this a valid probability distribution? Justify your answer. (Select all that apply.) This is a valid probability distribution since...
The mean weight of a face pumpkin (used for carving) being sold at Manning Farm is...
The mean weight of a face pumpkin (used for carving) being sold at Manning Farm is 15 pounds with a standard deviation of 3 pounds. The mean weight of a face pumpkin (used for carving)being sold at Irving Farm is 17 pounds with a standard deviation of 4 pounds. It is known that pumpkin weights are normally distributed. Dylan must buy some pumpkins for the school Pumpkin Fair Suppose he randomly selects 8 face pumpkins from the Manning Farm with...
2. The weight of potato chips in a medium-size bag is stated to be 10 ounces....
2. The weight of potato chips in a medium-size bag is stated to be 10 ounces. The amount that the packaging machine puts in these bags is believed to have a Normal model with mean 10.2 ounces and standard deviation 0.12 ounces. Some of the chips are sold in “bargain packs” of 3 bags. What’s the probability that the mean weight of the 3 bags is below the stated amount? Please show all work. Please no handwritten work, just typed.
a) Suppose that the weight of the adult male wombat is normally distributed with mean 8,6...
a) Suppose that the weight of the adult male wombat is normally distributed with mean 8,6 pounds and standard deviation 1.1 pounds. What is the probability that a randomly selected adult male wombat will weigh at least 9.5 lbs? Rounded to the nearest.01 pound, what is the 85th percentile of adult male wombat weight? A sample of 50 wombats is chosen. What is the probability that its mean is less than 8.3 pounds? To conduct a new study to find...
Can someone help from e-j please thanks. The mean weight of a face pumpkin (used for...
Can someone help from
e-j please thanks.
The mean weight of a face pumpkin (used for carving) being sold at Manning Farm is 15 pounds with a standard deviation of 3 pounds. The mean weight of a face pumpkin (used for carving) being sold at Irving Farm is 17 pounds with a standard deviation of 4 pounds. It is known that pumpkin weights are normally distributed. Dylan must buy some pumpkins for the school Pumpkin Fair. Suppose he randomly selects...
The weight of bags of organic fertilizer is normally distributed with a mean of 50 pounds...
The weight of bags of organic fertilizer is normally distributed with a mean of 50 pounds and a standard deviation of 1 pound. If we take a random sample of 25 bags of organic fertilizer, there is an 80% chance that their mean weight will be greater than what value? Keep 4 decimal places in intermediate calculations and report your final answer to 2 decimal places. Your Answer: Answer Question 9 (1 point) Weights of gumballs follow a normal distribution...
Civil engineers believe that W, the amount of weight (in units of 1,000 pounds) that a...
Civil engineers believe that W, the amount of weight (in units of 1,000 pounds) that a certain span of a bridge can withstand without structural damage resulting, is normally distributed with mean 400 and standard deviation 40. Suppose that the weight (again, in units of 1,000 pounds) of a car is a random variable with mean 3 and standard deviation 0.3. How many cars would have to be on the bridge span for the probability of structural damage to ....
Suppose that the weight students gain in their first year of college is Normally distributed with...
Suppose that the weight students gain in their first year of college is Normally distributed with a mean of 10 pounds and a standard deviation of 2 pounds. (a) What is the probability that a randomly selected student will gain between 6 and 8 pounds? (b) Suppose we pick 5 students at random. What is the probability at least one will gain between 6 and 8 pounds? (c) If 30 students are randomly selected, what is the probability that the...
Potato weight in a local farm has a mean of 0.5 pound, and standard deviation of 0.15 pound. This year, the famer decided to pack 20 potatoes into a bag and label as 10 pounds. When the potatoes are sent to a grocery store, the store manager will randomly select a bag to see if it is underweight (less than 9.5 pounds). (1) (10pts) What is the chance that any randomly selected bag to be underweight (Assume you can apply...
In a quarter-pound bag of red pistachio nuts, some shells are too difficult to pry open by hand. Suppose the random variable X, the number of pistachios in a randomly selected bag that cannot be opened by hand, has the probability distribution given in the table below. X 0 p(x) 0.500 3 4 5 0.250 0.100 0.050 0.065 0.035 (a) Is this a valid probability distribution? Justify your answer. (Select all that apply.) This is a valid probability distribution since...
The mean weight of a face pumpkin (used for carving) being sold at Manning Farm is 15 pounds with a standard deviation of 3 pounds. The mean weight of a face pumpkin (used for carving)being sold at Irving Farm is 17 pounds with a standard deviation of 4 pounds. It is known that pumpkin weights are normally distributed. Dylan must buy some pumpkins for the school Pumpkin Fair Suppose he randomly selects 8 face pumpkins from the Manning Farm with...
a) Suppose that the weight of the adult male wombat is normally distributed with mean 8,6 pounds and standard deviation 1.1 pounds. What is the probability that a randomly selected adult male wombat will weigh at least 9.5 lbs? Rounded to the nearest.01 pound, what is the 85th percentile of adult male wombat weight? A sample of 50 wombats is chosen. What is the probability that its mean is less than 8.3 pounds? To conduct a new study to find...
Can someone help from
e-j please thanks.
The mean weight of a face pumpkin (used for carving) being sold at Manning Farm is 15 pounds with a standard deviation of 3 pounds. The mean weight of a face pumpkin (used for carving) being sold at Irving Farm is 17 pounds with a standard deviation of 4 pounds. It is known that pumpkin weights are normally distributed. Dylan must buy some pumpkins for the school Pumpkin Fair. Suppose he randomly selects...
The weight of bags of organic fertilizer is normally distributed with a mean of 50 pounds and a standard deviation of 1 pound. If we take a random sample of 25 bags of organic fertilizer, there is an 80% chance that their mean weight will be greater than what value? Keep 4 decimal places in intermediate calculations and report your final answer to 2 decimal places. Your Answer: Answer Question 9 (1 point) Weights of gumballs follow a normal distribution...
Suppose that the weight students gain in their first year of college is Normally distributed with a mean of 10 pounds and a standard deviation of 2 pounds. (a) What is the probability that a randomly selected student will gain between 6 and 8 pounds? (b) Suppose we pick 5 students at random. What is the probability at least one will gain between 6 and 8 pounds? (c) If 30 students are randomly selected, what is the probability that the...
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