Information about five planets is shown in the table below. Planet Diameter (km) Mass (kg)
Mercury 4.88 x 10 3.3 * 1023
Jupiter 1.43 x 105 1.898 x 1027
Earth
1.28 x 104 5.97 x 1024
Mars 6.78 x 10 6.42 x 1023
Saturn 1.21 x 10 5.68 x 1026
a) Write down the name of the planet with the greatest mass.
b) Work out the radius of Mercury giving your answer as an ordinary number.
c) Work out the difference between the masses of Jupiter and Saturn.
Q

The number of chocolate chips in a bag of chocolate chip cookies is approximately normally distributed with a mean of 12611261 chips and a standard deviation of 118118 chips. (a) determine the 2626th percentile for the number of chocolate chips in a bag. (b) determine the number of chocolate chips in a bag that make up the middle 9696% of bags. (c) what is the interquartile range of the number of chocolate chips in a bag of chocolate chip cookies?