• Q : Identifying the type of sampling involved....
    Basic Statistics :

    Given the situation described. identify the type of sampling involved. At a newspaper office, staffers are classified by the department by the department in which they work. The random samples fro

  • Q : Sample of baby deliveries....
    Basic Statistics :

    Below is the sample of baby deliveries in an 8 hour period at a small hospital:

  • Q : Problem based on raffle tickets....
    Basic Statistics :

    One thousand raffle tickets are sold for $2.00 each. One grand prize of $800 and two consolation prizes of $100 each will be awarded. Jeremy purchases one ticket. Find his expected value. Show your

  • Q : Selection of periodicals offered....
    Basic Statistics :

    Given the situation described, identify the type of sampling involved. A local library polls every 9th customer about the selection of periodicals offered.

  • Q : Probability that lounging larry wins the horse race....
    Basic Statistics :

    The odds against Lounging Larry winning the horse race are 3:8. Determine the probability that Lounging Larry wins the horse race.

  • Q : Determine the empirical probability....
    Basic Statistics :

    If Jane plans to take a college algebra course with Mr. Doodle, determine the empirical probability that she receives at least a B.

  • Q : Number of subsets of set....
    Basic Statistics :

    Without writing them all out, what is the number of subsets of set A = {tongue, ear, mouth, eye, nose, cheek, forehead, neck, shoulder}?

  • Q : Type of transformation....
    Basic Statistics :

    What type of transformation has the same effect as the composition of a reflection in x=2 and then in x=6?

  • Q : Random selection of batteries....
    Basic Statistics :

    A bag contains a total of 20 batteries, of which six are defective. Selecting two at random, without replacement, determine the probability that none of the batteries you select are good.

  • Q : Problem based on concentric circles....
    Basic Statistics :

    Two concentric circles are such that a chord of the larger, 36 cm long, is trisected by the smaller. The sum of the radii of the two circles is also 36 cm. Find the length of the radius of the large

  • Q : How many different meals can be served....
    Basic Statistics :

    A parent can choose from 5 types of protein, 6 vegetables and 4 desserts. If the parent serves a meal of 1 protein, 1 vegetable and 1 dessert to the family, how many different meals can be served?

  • Q : Different arrangements of two vice presidents are possible....
    Basic Statistics :

    The board of a pharmaceutical company has eleven members. One board member will be selected as vice president of marketing, and a different board member will be selected as vice president of researc

  • Q : Determine the probability-batteries you select are not good....
    Basic Statistics :

    A bag contains a total of 30 batteries, of which six are defective. Selecting four at random, without replacement, determine the probability that none of the batteries you select are good.

  • Q : Find the break-even quanity....
    Basic Statistics :

    If x units of product cost C dollars to manufacture and earn revenue of R dollars, the values of x where the expressions for C and R are equal is called the break-even quanity, the number of units t

  • Q : Problem based on skate park....
    Basic Statistics :

    If Cassie goes to the skate park, Hanna and Amy will go. If Hanna or Amy go the skate park, Marc will go. If Marc goes to the skate park, then Dallas will go. If only two of the five people went to

  • Q : Problem based on glass of water....
    Basic Statistics :

    A water glass is shaped like a cylinder with height 6in. and diameter 2in. How many times as much water can a glass twice as tall and twice as wide hold?

  • Q : Find the expected value....
    Basic Statistics :

    One thousand raffle tickets are sold for $2.00 each. One grand prize of $800 and two consolation prizes of $100 each will be awarded. Jeremy purchases one ticket. Find his expected value.

  • Q : Identify the type of sampling involved....
    Basic Statistics :

    Given the situation described, identify the type of sampling involved. All the blackjack dealers on break at 8:15 p.m. at a particular casino are asked if they are bothered by secondhand cigarette s

  • Q : What is the probability of drawing a blue marble....
    Basic Statistics :

    A bag contains 6 green marbles, 10 blue marbles, and 4 yellow marbles. What is the chance of drawing a green marble? If a green marble is drawn then placed back into the bag and a second marble is d

  • Q : Question based on lottery....
    Basic Statistics :

    Question: Lottery. One million tickets are sold for a lottery in which a single prize will be awarded (a) If you purchase a ticket, determine your odds against winning.

  • Q : What is the probability that the dart will land in a circle....
    Basic Statistics :

    There are four congruent circles inside the square that are all touching. The shaded region is everything but the 4 circles. What is the probability that the dart will land in a circle?

  • Q : Ratio of the area of the circumscribed square....
    Basic Statistics :

    If the same circle is used, then what is the ratio of the area of the circumscribed square to the area of the inscribed square?

  • Q : Probability that the point is nearer to the surface....
    Basic Statistics :

    If a point inside a sphere is selected at random, what is the probability that the point is nearer to the surface than to the center of the sphere?

  • Q : Probability regarding intercoastal waterway....
    Basic Statistics :

    During May, a certain drawbrige over the Intercoastal Waterway is raised every half hour to allow boats to pass. It remains open for 5 min. What is the probability that a motorist arriving at the

  • Q : Find the covariance between male and female earnings....
    Basic Statistics :

    Let C denote the combined earnings for a randomly selected couple. a. What is the mean of C? b. What is the covariance between male and female earnings? c. What is the standard deviation of C?

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