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Find z such that 61.5% of the standard normal curve lies to the left of z. Round your answer to the nearest hundredth.

Find the area under the standard normal curve over the interval specified below. Round your answer to the nearest thousandth.  To the right of z =3

Find the area under the standard normal curve over the interval specified below. Round your answer to the nearest thousandth.  To the left of z = 1

In one of the archaeological excavation sites, the artifact density (number of prehistoric artifacts per 10 liters of sediment) was 2.0. Suppose you are going to dig up and examine 40 liters of sediment at this site. Let r = 0, 1, 2, 3,… be a random variable that represents the number of prehistoric artifacts found in your 40 liters of sediment. Identify λ. Round your answer to the nearest tenth.

There are 6 radar stations and the probability of a single radar station detecting an enemy plane is 0.55 and the probability of not detecting an enemy plane is 0.45. What is the probability that the number of stations that detect a plane is no more than 4? Round your answer to nearest hundredth.

Suppose the mean of a normal distribution is 4.5 and the standard deviation is 1.5.  What is the standard score (z-score) of the data value 5.5?  Round to the hundredths place.

The marketing challenge is more directly aligned to the debate between universal ethics and ________.

A healthy red blood cell has an average diameter of 0.000337 inches. What is this length, written using scientific notation?

A rabbit looks up and sees an eagle that is 425 feet above the ground. What is this height, in meters? You can assume that 3.28 feet is equivalent to 1 meter. (round to the nearest tenth)     You must use dimensional analysis to find your answer.

The frequency table below represents the number of hours part-time employees worked last week at a local factory. Determine the relative frequency for only the interval 21 – 25.  (round to the nearest tenth) 0325ex2q16.png