jbouyer

136 Questions
0 Answers

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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 read more ..

jbouyer Mar 13, 2018

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3552

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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?
read more ..

jbouyer Mar 13, 2018

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2018

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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.
read more ..

jbouyer Mar 13, 2018

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The graph shows a probability distribution.

The graph shows a probability distribution.
P(X≤a)=0.5
What is the value of a?
1 read more ..

jbouyer Mar 12, 2018

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2723

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Help plz.

The graph shows a probability distribution.
Which probabilities are equal to 0.25?
P(X≥5) read more ..

jbouyer Mar 12, 2018

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Algebra.

The graph shows a probability distribution.
What is P(2.5 ≤ X ≤ 4)?
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jbouyer Mar 12, 2018

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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 read more ..

jbouyer Mar 8, 2018

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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 read more ..

jbouyer Mar 8, 2018

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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 read more ..

jbouyer Mar 6, 2018

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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 read more ..

jbouyer Mar 6, 2018