Home
Class 12
MATHS
A certain hotel has 80 rooms. Based on m...

A certain hotel has 80 rooms. Based on many prvious years' occupancy rates, the owners of the hotel constructed the table below showing the daily occupancy rates and their probabilities of occurring for the coming summer season. Based on the probability distribution in the table, to the nearest whole number, what is the expected number of rooms that will be occupied on any day during the coming summer season?

A

20

B

25

C

58

D

60

Text Solution

Verified by Experts

The correct Answer is:
C
Promotional Banner

Topper's Solved these Questions

  • PRACTICE TEST 2

    ENGLISH SAT|Exercise Multiple Choice|58 Videos

  • PRACTICE TEST 3 - MATHEMATICS TEST

    ENGLISH SAT|Exercise EXERCISE|56 Videos
ENGLISH SAT-PRACTICE TEST 2 - MATHEMATICS TEST-EXERCISE
  1. For every pair of natural number n and m, to which of the following se...

    Text Solution

    |

  2. A certain pefect square has exactly 4 digits (that is, it is an intege...

    Text Solution

    |

  3. A certain hotel has 80 rooms. Based on many prvious years' occupancy r...

    Text Solution

    |

  4. What is the matrix product [(a),(2a),(3a)][(1 ,0, -1)]?

    Text Solution

    |

  5. What is the degree measure of the smaller of the 2 angles formed by th...

    Text Solution

    |

  6. Let a equal 2b + 3c - 5.What happens to the value of a if the value of...

    Text Solution

    |

  7. Shima will mix 1 fluid ounce of fertilizer in water for every 40 squar...

    Text Solution

    |

  8. A restaurant has 10 booths that will seat up to 4 people each. It 20 p...

    Text Solution

    |

  9. Let A and B be independent events. Denote P(A) as the probability that...

    Text Solution

    |

  10. In the standard (x,y) coordinate plane below, an angle is shown whose ...

    Text Solution

    |

  11. Which of the following expressions, if any, are equal all real number ...

    Text Solution

    |

  12. In the figure below, A, C, F and D are collinear, B, C and E are colli...

    Text Solution

    |

  13. In the figure below, all line segments are either horizontal or vertic...

    Text Solution

    |

  14. Triangle /\ABC has vertices A(8,2), B(0,6), and C(-3,2). Point C can b...

    Text Solution

    |

  15. On his first day as a telemarketer, Marshall made 24 calls. His goal w...

    Text Solution

    |

  16. Which of the following is the graph of the fuctions f(x) defined below...

    Text Solution

    |

  17. Which of the following expressions given the number of permulations of...

    Text Solution

    |

  18. For all x > 0, which of the following expressions is equivalent to i/(...

    Text Solution

    |

  19. Vectors vec(AB) and vec(CD) are shown in the standard (x,y) coordinate...

    Text Solution

    |

  20. A simple pendulaum consists of a small mass suspended from a string th...

    Text Solution

    |