Data, Probability, and Statistics

Data, Probability, and Statistics

My Score : 0

Not likely to pass
28/03/2024

  • Total Question : 25
  • Answered : 0
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Your Result

  • 1)

    A dice is thrown 5 times. If getting an even number is a success, find the probability of all 5 successes.

    Your Answer : Not attemptedCorrect Answer : 1/32
  • 2)

    Mr. Smith, an architect recorded the number of different types of buildings and the materials from which they were made.

    Buildings

    Material

    Shopping Malls

    Stores

    Wood

    9

    12

    Concrete

    14

    4

    Stucco

    13

    8

    Brick

    17

    8

    Marble

    17

    6

    How many more marble shopping malls than marble stores are there?

    Your Answer : Not attemptedCorrect Answer : 11
  • 3)

    Find mode of following data

    68, 30, 100, 18, 90, 68, 78, 82, 85, 87, 91, 34, 52, 68, 54, 59, 60, 54, 60

    Your Answer : Not attemptedCorrect Answer : 68
  • 4)

    A box contains 6 packets weighing an average of 4 pounds, another box contains 4 packets weighing an average of 9 pounds. What is the weighted average weight, in pounds, of all the packets in both boxes?

    Your Answer : Not attemptedCorrect Answer : 6
  • 5)

    A card is picked up at random from a pack of 52 cards. Find the probability that it is a king or queen.

    Your Answer : Not attemptedCorrect Answer : 2/13
  • 6)

    Ted went to a fruit market and bought some kiwis, limes, and bananas. He made a bar graph of the fruits he bought. How many total fruits did he buy?

     

    Your Answer : Not attemptedCorrect Answer : 23
  • 7)

    Two dice are rolled. Find the probability that number 1 appears on both the dice.

    Your Answer : Not attemptedCorrect Answer : 1/36
  • 8)

    Two coins are tossed. What are the probability of getting one head and another tail?

    Your Answer : Not attemptedCorrect Answer :
  • 9)

    In how many ways can 6 people sit on a circular table?

    Your Answer : Not attemptedCorrect Answer : 120
  • 10)

    Here is a pictograph of how many apples were sold at the local shop over 4 days:

    How many more apples were sold on Monday compared to Tuesday?

    Your Answer : Not attemptedCorrect Answer : 5
  • 11)

    In throwing a fair dice, what is the probability of getting a multiple of number 3?

    Your Answer : Not attemptedCorrect Answer : 1/3
  • 12)

    What is the probability of getting the number 6 in throwing a fair dice?

    Your Answer : Not attemptedCorrect Answer : 1/6
  • 13)

    Suppose there are five roads between two places. In how many different ways James can travel from one place to the other place and return by another route?

    Your Answer : Not attemptedCorrect Answer : 20
  • 14)

    A class has 30 girls and 20 boys. x   girls and y boys are further admitted to the class. One student is selected at random from the enlarged class as the class representative.   What is the probability that the class representative is a girl?

    Your Answer : Not attemptedCorrect Answer : (x+30)/(y+20)
  • 15)

    A fair coin is tossed three times, what is the probability that on at least one of the tosses the coin will turn up heads?

    Your Answer : Not attemptedCorrect Answer : 7/8
  • 16)

    Two coins are tossed. What is probability of getting one head and another tail?

    Your Answer : Not attemptedCorrect Answer :
  • 17)

    A student appears in two tests: Math and English. If the probability of passing in Math is 1/3 and in English is ½, find the probability of his passing the both tests.

    Your Answer : Not attemptedCorrect Answer : 1/6
  • 18)

    In An inter-school race 20 athletes participates out of which two players A and B are from your school. If the probability of A winning the race is 1/5 and that of B is 1/4, then what is the probability that either A or B wins the race?

    Your Answer : Not attemptedCorrect Answer : 9/20
  • 19)

    If m is average of 24, 16, 35 and m, what is the value of m?

    Your Answer : Not attemptedCorrect Answer : 25
  • 20)

    The average of 7 consecutive positive integers is m. What is the average of next 7 consecutive integers?

    Your Answer : Not attemptedCorrect Answer : m+7
  • 21)

    The average of a class of 19 students is 40kg. A new boy gets admitted. If the weight of the new student be included, the average rises by 50gm. What is the weight (in kg) of the new student?

    Your Answer : Not attemptedCorrect Answer : 41
  • 22)

    Find the median of 21, 9, 4, 6, 3, 24, 9, 60.

    Your Answer : Not attemptedCorrect Answer : 9
  • 23)

    Marks obtained by students in an entrance exam are given below. Find the range of marks.

    68, 56, 94, 39, 40, 93, 29, 95, 53, 75, 76, 95, 91, 96, 89.

    Your Answer : Not attemptedCorrect Answer : 67
  • 24)

    Marks obtained by all 50 students in a class test is to be displayed by a Box-and-Whisker Plot. Which is not a part of five-number summary required for its construction?

    Your Answer : Not attemptedCorrect Answer : Mean
  • 25)

    The histogram below shows the heights of 23 students in a class, grouped into groups of width 5 inches.

    How many students were greater than or equal to 55 inches tall but less than 70 inches tall?

    Your Answer : Not attemptedCorrect Answer : 15

Skills you can improve

Categorywise score

  • Probability :

    0

    • Total Question : 11
    • Correct Answer : 0
  • Table & Graph :

    0

    • Total Question : 2
    • Correct Answer : 0
  • Mean, Median, Mode and Range :

    0

    • Total Question : 5
    • Correct Answer : 0
  • Permutation & Combination :

    0

    • Total Question : 2
    • Correct Answer : 0
  • Dot Plots, Histograms, and Box Plots :

    0

    • Total Question : 3
    • Correct Answer : 0
  • Weighted Average :

    0

    • Total Question : 2
    • Correct Answer : 0