UrbanPro

Take Class 12 Tuition from the Best Tutors

  • Affordable fees
  • 1-1 or Group class
  • Flexible Timings
  • Verified Tutors

How many times must a man toss a fair coin so that the probability of having at least one head is more than 90%?

Asked by Last Modified  

Follow 0
Answer

Please enter your answer

Education starts with us

The man should toss the coin 4 or more than 4 times
Comments

More than 100 times.
Comments

4 times.
Comments

Mechanical engineer by profession always ready to help in technical core as well as engg. drawing

The man should toss the coin 4 times
Comments

Home Tutor

4
Comments

AMIE(Electrnonics & Commn.)

11 times
Comments

Mathematics of 6th to 12th, electronics and communications diploma/degree.

4
Comments

Online Tutor

4 or more than 4
Comments

SME in Mathematics & Statistics

Probability of at least one head in 3 tosses = 7/8 = 0.875 0.9 Hence, the answer is 4.
Comments

Tutor

For 3 tosses the probability of getting at least 1 head = 7/8=.875 thats 87.5 % for 4 tosses = 15/16 = 0.9375. thats 93.75% So, minimum 4 tosses are required for getting the probability of having at least one head more than 90%
Comments

View 8 more Answers

Related Questions

Magnetic effects of current 1 what is lenz law? 2 explain briefly MCG?
An electric current induced by a changing magnetic field will flow such that it will create its own magnetic field that opposes the magnetic field that created it. A moving coil galvanometer is an instrument...
Abdhesh
Males afflicted with Kartagener’s syndrome are sterile because of immotile sperm, and they tend to suffer from lung infections. This disorder has a genetic basis. Suggest what the underlying defect might be.
Kartagener syndrome is a subset of primary ciliary dyskinesia, an autosomal recessive condition characterized by abnormal ciliary structure and/or function leading impaired mucociliary clearance. The...
Mano
1 0
6
how one can score good marks in every subject? how one can make subject easy
ONE SIMPLE GUARANTEED FORMULA: Daily Studying (Studying=Reading+Understanding+Writing) for 2 hrs. NOT more NOT less.
Sushmitha

Now ask question in any of the 1000+ Categories, and get Answers from Tutors and Trainers on UrbanPro.com

Ask a Question

Related Lessons

Balancing Reactions - Oxidation Method
Oxidation method is used very easy by identifying the oxidation states. Step1- Write the chemical equation and above them write the oxidation no.of the respective metal (of the species reduced/oxidized).

Shares
Definition of Share: Part of capital divided into small denominations, to raise money for business. Eg. Capital is Rs. 200,000, divided into shares of 2000 of 100Rs. Each Shares can be issued at par, premium...

Ashish Kumar

0 0
0

For IIT - Pmt Aspirants: Trick To Learn - Directive Influence Of Substituents On Benzene (Learn Easily Through a Table).
The following table illustrates the directive inflence of various functional groups over benzene for second substitution. Learn easily through a table. VERY STRONG(ACTIVATING) PHENOXIDE ION...

Murder Criminal Case Legal Aptitude for CLAT
Legal Aptitude Murder in IPC 1860 Murder Section 300 of IPC Defines the Murder Firstly, the cases of culpable homicide is considered murder, if it is committed with the intention of causing death. Secondly,...
S

Siddhartha Singh Chandel

0 0
0

Chemistry For Class - 11 Inductive Effect
An inductive effect is an electronic effect due to the polaization of sigma bond within a molecule or ion. This is typically due to an electronegativity difference between the atoms at either end of the...

Recommended Articles

Urmila is a passionate teacher with over 8 years of experience in teaching. She is currently pursuing her Ph. D. She provides classes for Class 11, Class 12, MBBS and Medical tuition.  Urmila began her career in teaching long before she became a teacher. She used to provide classes for foreign national students in her college...

Read full article >

Radhe Shyam is a highly skilled accounts and finance trainer with 8 years of experience in teaching. Accounting is challenging for many students and that’s where Radhe Shyam’s expertise comes into play. He helps his students not only in understanding the subject but also advises them on how to overcome the fear of accounts...

Read full article >

Mohammad Wazid is a certified professional tutor for class 11 students. He has 6 years of teaching experience which he couples with an energetic attitude and a vision of making any subject easy for the students. Over the years he has developed skills with a capability of understanding the requirements of the students. This...

Read full article >

Sandhya is a proactive educationalist. She conducts classes for CBSE, PUC, ICSE, I.B. and IGCSE. Having a 6-year experience in teaching, she connects with her students and provides tutoring as per their understanding. She mentors her students personally and strives them to achieve their goals with ease. Being an enthusiastic...

Read full article >

Looking for Class 12 Tuition ?

Learn from the Best Tutors on UrbanPro

Are you a Tutor or Training Institute?

Join UrbanPro Today to find students near you
X

Looking for Class 12 Tuition Classes?

The best tutors for Class 12 Tuition Classes are on UrbanPro

  • Select the best Tutor
  • Book & Attend a Free Demo
  • Pay and start Learning

Take Class 12 Tuition with the Best Tutors

The best Tutors for Class 12 Tuition Classes are on UrbanPro

This website uses cookies

We use cookies to improve user experience. Choose what cookies you allow us to use. You can read more about our Cookie Policy in our Privacy Policy

Accept All
Decline All

UrbanPro.com is India's largest network of most trusted tutors and institutes. Over 55 lakh students rely on UrbanPro.com, to fulfill their learning requirements across 1,000+ categories. Using UrbanPro.com, parents, and students can compare multiple Tutors and Institutes and choose the one that best suits their requirements. More than 7.5 lakh verified Tutors and Institutes are helping millions of students every day and growing their tutoring business on UrbanPro.com. Whether you are looking for a tutor to learn mathematics, a German language trainer to brush up your German language skills or an institute to upgrade your IT skills, we have got the best selection of Tutors and Training Institutes for you. Read more