Mathematics, 17.02.2021 14:10, nghtcll
(b) A department store has 7,000 charge accounts. The comptroller takes a random sample of 36 of
the account balances and calculates the standard deviation to be N42.00. If the actual mean (1)
of the account balances is N175.00, what is the probability that the sample mean would be
between N164.50 and N185.50?
b. greater than N180.00?
less than N168.00?
a.
C.
Answers: 3
Mathematics, 21.06.2019 14:30, Molly05
Atoy company is considering a cube or sphere-shaped container for packaging a new product. the height of the cube would equal the diameter of the sphere . compare the volume to surface area ratios of the containers. which packaging will be more efficient? for a sphere, sa =4πr²
Answers: 1
Mathematics, 21.06.2019 16:30, angie07253
Amuffin recipe, which yields 12 muffins, calls for cup of milk for every 1 cups of flour. the same recipe calls for cup of coconut for every cup of chopped apple. to yield a batch of 30 muffins, how much flour will be needed in the mix?
Answers: 1
Mathematics, 21.06.2019 21:30, bella122805
Awater truck is filling a swimming pool. the equation that represents this relationship is y=19.75x where y is the number of gallons of water in the pool and x is the number of minutes the truck has been filling the pool.
Answers: 1
(b) A department store has 7,000 charge accounts. The comptroller takes a random sample of 36 of
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