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Ruth Ogunniyi

Ruth O.

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Aparna Shakti verified

Numerade educator

A conical flask has a volume of 71.9 mL. It is filled with water vapour at a pressure of 1053.8 kPa and a temperature of 738 K. Determine the mass of water in the conical flask.

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Vishal Gupta verified

Numerade educator

describe the relationship between volume and temperature in charles law

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Ashwin Banarsee verified

Numerade educator

Use the data below to plot a graph of volume (y-axis) versus temperature (x-axis). Describe the relationship observed. Remember to label the axis. Temperature(°C) 10 15 20 25 30 35 40 Volume(mL) 30 45 60 75 90 105 120 b.) What is the relationship observed? What law is represented by the relationship observed?

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Abdul Khalad verified

Numerade educator

You sell sandwiches. 70% of people choose chicken, the rest choose pork. What is the probability of selling 3 chicken sandwiches to the next 5 customers?

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Anas Venkitta verified

Numerade educator

The blood pressure of adult males is normally distributed with a mean of 125mm/hg and a standard deviation of 8. a) What % of men have blood pressure of 126.6mm/Hg or less? b) What % of men have blood pressure of 129mm/Hg or more? c) What % of males have blood pressure of between 129mm/Hg and 133mm/Hg? d) Determine the range of blood pressures that you would expect 95% of these adult males to have. i.e., Find the interval (with mean as the centre) of blood pressures so that 95 % of the adult males are likely to have.

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Sheryl Ezze verified

Numerade educator

Note: Use Binomial Distribution The Choco-Latie Candies company makes candy-coated chocolates, 20% of which are red. The production line mixes the candies randomly and packages twenty per box. a) What is the probability that exactly three candies in a given box are red? b) What is the probability that at most four candies in a given box are red? c) What is the probability that at least four candies in a given box are red?

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Ashwin Banarsee verified

Numerade educator

Satellite launches fail about 3.5% of the time. a) What is the probability that none of the next 75 launches will fail? b) What is the probability that at most two of the next 75 launches will fail?

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Aparna Shakti verified

Numerade educator

A sailing club has eight 4.6-m boats, eleven 5.0-m boats, five 5.2-m boats, and five 6.1-m boats. These boats are assigned randomly to members who want to go sailing on any given day. a) Make a table and a graph of the probability distribution for the length of an assigned boat. b) What is the expected length of an assigned boat?

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Ashwin Banarsee verified

Numerade educator

A spinner has five equally-sized sectors, numbered 1 through 5. If the arrow on the spinner will stop on an even number you gain that number of points, and, the arrow on the spinner will stop on an odd number, you lose that number of points. a) Determine the probability distribution of points in this game. b) What is the expected number of points per spin?

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Jennifer Hudspeth verified

Numerade educator

Outline a procedure that can be used to make 325 mL of a 1.40 mol/L acid from a 8.00 mol/L stock solution. Include calculations in your procedure.

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