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Displaying 1-10 of 59 results.

molar mass of 5.8mg of silicone

Posted 6 days ago by in Chemistry 11 | 0 answers

#molar mass #chemical formulas

The probability of juan wearing his sweater to school is three over five the probability of nick wearing his vest to school is 2 over three find the probability of juan wearing his sweater and nick wearing his vest

Posted 2 weeks ago by **jjessobrien** in Math 12 University - Data Management | 0 answers

#probability

consider the set A = { all students in our class cohort } and the set B = { all laurier students}

Draw a vnn diagram describing the relationship of A and B. label each section and write out three

Posted 1 month ago by **maria** in Math 12 University - Data Management | 1 answers

#set notation #probability #data management #diagrams

I’m not sure how to solve:

A librarian wants to display 10 books by Canadian authors on a bookshelf. There are three books by Joseph Boyden, and the rest are by different authors. Determine in how many ways the books can be arranged if the Joseph Boyden books must remain side by side.

Posted 2 months ago by **KF1903** in Math 12 University - Data Management | 0 answers

#data management

in how many ways can a president, vice-president and secretary be selected from a group of 10 people? assume that one person does not hold two positions.

Posted 2 months ago by **student888** in Math 12 University - Data Management | 0 answers

#data management

You are randomly drawing a card from a deck, replacing it and then drawing another card. What is the probability of choosing a 3 and then an ace?

Posted 4 months ago by **Lime** in Math 12 University - Data Management | 0 answers

#data management

Fresh water fish have a mean length of 20cm and a standard deviation of 6cm. What percentage of the fish in this lake measure between 15cm and 22cm long?

Posted 5 months ago by **Buddy0411** in Math 12 University - Data Management | 0 answers

#probability

There are 6 people having a race: Amy,Bob,Chloe,Dave,Earle, and Fran.What is the probability Amy finishes before Chloe who finishes before Fran?

Posted 5 months ago by **shannonhj** in Math 12 University - Data Management | 0 answers

#data management

Please answer each question separately.

1.Find the z-score for x = 8 if the mean is 7 and the standard deviation is 2.

2.Find the percentile for x = 8 if the mean is 7 and the standard deviation is 2.

3. IQ scores of people is distributed, with a mean of 100 and a standard deviation of 15. A genius is someone with an IQ greater than or equal to 140. What percent of the population is considered genius?

4. The Weights of 100 remote control cars at a competition are approximately normally distributed. The average weight is 3.2 kg, with a standard deviation of 0.4 kg.

i) How many remote control cars would be disqualified if it were against the rules to have a car with a weight of more than 4 kg or less than 2.4 kg?

ii) A car is said to be in the 90th percentile. How much does it weigh?

Posted 6 months ago by **karinaaaaaaa** in Math 12 University - Data Management | 1 answers

#probability #data management

Please answer each question sepretly.

1.Find the z-score for x = 8 if the mean is 7 and the standard deviation is 2.

2.Find the percentile for x = 8 if the mean is 7 and the standard deviation is 2.

3. For a mean of 20 and standard deviation of 5, find .

4. For a mean of 75 and a standard deviation of 3, find .

5. For a mean of 153 and standard deviation of 25, find .

6. IQ scores of people around the World are normally distributed, with a mean of 100 and a standard deviation of 15. A genius is someone with an IQ greater than or equal to 140. What percent of the population is considered genius?

7. The Weights of 100 remote control cars at a competition are approximately normally distributed. The average weight is 3.2 kg, with a standard deviation of 0.4 kg.

I) How many remote control cars would be disqualified if it were against the rules to have a car with a weight of more than 4 kg or less than 2.4 kg?

II) A car is said to be in the 90th percentile. How much does it weigh?

Posted 6 months ago by **karinaaaaaaa** in Math 12 University - Data Management | 1 answers

#data management #probability