Suppose x has a distribution with a mean of 20 and a standard deviation of 9. Random samples of size n = 36 are drawn. (a) Describe the x distribution. Ox has an approximately normal distribution. Ox has a normal distribution. Ox has an unknown distribution. Ox has a Poisson distribution. Ox has a binomial distribution. has a geometric distribution. Ox Compute the mean and standard deviation of the distribution. (For each answer, enter a number.) (b) Find the z value corresponding to x = 17. (Enter an exact number.) (c) Find P(x < 17). (Enter a number. Round your answer to four decimal places.) P(x < 17) = %3D ) Would it be unusual for a random sample of size 36 from the x distribution to have a sample mean less than 17? Explain. O No, it would not be unusual because more than 5% of all such samples have means less than 17. O Yes, it would be unusual because less than 5% of all such samples have means less than 17. Yes, it would be unusual because more than 5% of all such samples have means less than 17. O No, it would not be unusual because less than 5% of all such samples have means less than 17. BRBasicStar8Ace73.005 MI

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Unitary Method

The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products. 

Speed, Time, and Distance

Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.

Profit and Loss

The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.

Units and Measurements

Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.