English
Tamil Nadu Board of Secondary EducationHSC Commerce Class 12

Choose the correct alternative: Forty percent of the passengers who fly on a certain route do not check in any luggage. The planes on this route seat 15 passengers.

Advertisements
Advertisements

Question

Choose the correct alternative:

Forty percent of the passengers who fly on a certain route do not check in any luggage. The planes on this route seat 15 passengers. For a full flight, what is the mean of the number of passengers who do not check in any luggage?

Options

  • 6.00

  • 6.45

  • 7.20

  • 7.50

MCQ
Advertisements

Solution

6.00

shaalaa.com
Distribution
  Is there an error in this question or solution?
Chapter 7: Probability Distributions - Exercise 7.4 [Page 170]

APPEARS IN

Samacheer Kalvi Business Mathematics and Statistics [English] Class 12 TN Board
Chapter 7 Probability Distributions
Exercise 7.4 | Q 12 | Page 170

RELATED QUESTIONS

Out of 750 families with 4 children each, how many families would be expected to have atmost 2 girls


Forty percent of business travellers carry a laptop. In a sample of 15 business travelers, what is the probability that 12 of the travelers will not have a laptop?


A pair of dice is thrown 4 times. If getting a doublet is considered a success, find the probability of 2 successes


Write any 2 examples for Poisson distribution


The distribution of the number of road accidents per day in a city is poisson with mean 4. Find the number of days out of 100 days when there will be no accident


The distribution of the number of road accidents per day in a city is poisson with mean 4. Find the number of days out of 100 days when there will be at most 3 accidents


Choose the correct alternative:

The parameters of the normal distribution f(x) = `(1/sqrt(72pi))"e"^(-(x - 10)^2)/72 - oo < x < oo`


Choose the correct alternative:

Monthly expenditure on their credit cards, by credit cardholders from a certain bank, follows a normal distribution with a mean of ₹ 1,295.00 and a standard deviation of ₹ 750.00. What proportion of credit cardholders spend more than ₹ 1,500.00 on their credit cards per month?


The annual salaries of employees in a large company are approximately normally distributed with a mean of $50,000 and a standard deviation of $20,000. What percent of people earn less than $40,000?


People’s monthly electric bills in Chennai are normally distributed with a mean of ₹ 225 and a standard deviation of ₹ 55. Those people spend a lot of time online. In a group of 500 customers, how many would we expect to have a bill that is ₹ 100 or less?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×