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jbouyer
Username
jbouyer
Score
514
Stats
Questions
12
Answers
0
116 Questions
0 Answers
+1
31
1
+514
1. Jack is a farmer and he wants to know the mean weight of all the potatoes in a sack.
1. Jack is a farmer and he wants to know the mean weight of all the potatoes in a sack.
He randomly selects 10 potatoes and weighs them. Their weights, to the nearest ounce are 5, 8, 9, 11, 7, 7, 8, 9, 12, and 7.
What
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jbouyer
Mar 21, 2018
0
51
2
+514
Algebra.
The probability distribution shows the probability of the number of prior car accidents for 100 individuals that have put in a claim with an insurance company following an accident.
What is the probability that an individual among these 100 represented
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jbouyer
Mar 17, 2018
0
55
1
+514
The frequency table was made using a box containing ping-pong balls that are numbered 0, 1, 2, 3, 4, or 5.
The frequency table was made using a box containing ping-pong balls that are numbered 0, 1, 2, 3, 4, or 5.
Enter the correct probability in decimals in the probability distribution
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jbouyer
Mar 17, 2018
+1
59
0
+514
Use technology or a z-distribution table to find the indicated area.
Use technology or a z-distribution table to find the indicated area.
The ages of visitors to a theme park are normally distributed with a mean of 15 years and a standard deviation of 5.2 years.
Approximately 70% of the visitors to the
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jbouyer
Mar 17, 2018
+1
90
1
+514
How many grams of AgNO3 are needed to prepare a 0.25 m solution in 500 grams of water?
How many grams of AgNO3 are needed to prepare a 0.25 m solution in 500 grams of water?
125 g
0.125g
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jbouyer
Mar 15, 2018
+1
47
1
+514
Suppose the times to cook meat on a grill are normally distributed with a mean of 23 minutes and a standard deviation of 1.9 minutes.
Suppose the times to cook meat on a grill are normally distributed with a mean of 23 minutes and a standard deviation of 1.9 minutes.
What is the difference in times between grilled meat that has a z-score of 2 and another meat that has a z-score
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jbouyer
Mar 13, 2018
+1
48
1
+514
Select Yes or No to state whether each data set is likely to be normally distributed.
Select Yes or No to state whether each data set is likely to be normally distributed.
the number of eggs collected each day on a farm
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jbouyer
Mar 13, 2018
+1
38
2
+514
The weight of a soccer ball is normally distributed with a mean of 0.43 kg and a standard deviation of 0.01 kg.
The weight of a soccer ball is normally distributed with a mean of 0.43 kg and a standard deviation of 0.01 kg.
Suppose 800 different soccer balls are in a warehouse.
About how many soccer balls weigh more than 0.45 kg?
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jbouyer
Mar 13, 2018
+1
27
1
+514
Suppose the length of an oarfish is normally distributed with a mean of 6.5 m and a standard deviation of 1.5 m.
Suppose the length of an oarfish is normally distributed with a mean of 6.5 m and a standard deviation of 1.5 m.
Which group describes 16% of the oarfish population?
Select each correct answer.
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jbouyer
Mar 13, 2018
+1
27
1
+514
The graph shows a probability distribution.
The graph shows a probability distribution.
P(X≤a)=0.5
What is the value of a?
1
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jbouyer
Mar 12, 2018
+1
22
2
+514
Help plz.
The graph shows a probability distribution.
Which probabilities are equal to 0.25?
P(X≥5)
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jbouyer
Mar 12, 2018
+1
24
1
+514
Algebra.
The graph shows a probability distribution.
What is P(2.5 ≤ X ≤ 4)?
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jbouyer
Mar 12, 2018
0
77
1
+514
Suppose the dial on the spinner is spun 2 times in a row.
Suppose the dial on the spinner is spun 2 times in a row.
X is the number of times the dial lands on region B.
Which table represents
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jbouyer
Mar 8, 2018
+1
59
1
+514
A coin is flipped four times. X is the number of times it will land with a head up.
A coin is flipped four times. X is the number of times it will land with a head up.
Which statement is true about this situation?
The variable X does not have a binomial distribution because P(success) is
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jbouyer
Mar 8, 2018
+1
93
1
+514
For the balanced equation shown below, how many moles of O2 will react with 0.3020 moles of CO2? 2C 2 H 5 OH + 6O 2 → 4CO 2
For the balanced equation shown below, how many moles of O2 will react with 0.3020 moles of CO2?
2C2H5OH + 6O2 → 4CO2 + 6H2O
0.151 moles O2
0.201 moles O2
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jbouyer
Mar 6, 2018
+1
52
1
+514
How much heat is required to convert 74 grams of ice at -4 C into 74 grams of water at 52 C?
How much heat is required to convert 74 grams of ice at -4 C into 74 grams of water at 52 C?
Use the information below:
Hf= 334 J/g
606 J
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jbouyer
Mar 6, 2018
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