• Q : Group of persons traveling in a bus....
    Basic Statistics :

    In a group of persons traveling in a bus, 6 persons can speak Tamil, 15 can speak Hindi and 6 can speak Gujarati. In that group, none can speak any other language.

  • Q : Set theory and probability....
    Basic Statistics :

    In a group of persons traveling in a bus, 6 persons can speak Tamil, 15 can speak Hindi and 6 can speak Gujarati. In that group, none can speak any other language. If 2 persons in the group can spea

  • Q : Number who can play violin alone or flute alone....
    Basic Statistics :

    The number of musicians who can play the guitar alone is 40. What is the total number of those who can play violin alone or flute alone ?

  • Q : Whats the probability that jasmine wins both awards....
    Basic Statistics :

    On awards day at the end of the year, Jasmine has an 85% chance of winning top award in English and a 4 out of 5 chance of winning an award for athletics. What's the probability that Jasmine wins bo

  • Q : Probability that a player defeats atleast two opponent....
    Basic Statistics :

    A player of a video gameis is confronted with a series of four opponents and an 80% probability of defeating each oppnent.Assume that the results from opponents are independent (and when the player

  • Q : Sample space of the experiment....
    Basic Statistics :

    How many possible outcomes are in the sample space of this experiment?

  • Q : Probability based on faulty units....
    Basic Statistics :

    A manufacturer has determined that for every 1000 units it produces, 3 will be faulty. What is the probability that an order of 50 units will have one or more faulty units?

  • Q : Cramers rule to determine the cost of each bag....
    Basic Statistics :

    Three bags of salt and ten bags of mahangu cost N$ 74. Formulate two linear equation from the statement and solve the two equation simultanuously using Cramer's rule to determine the cost of each ba

  • 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.

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