maxwellgulland maxwellgulland

Today at 6:20 AM
Mathematics

Answered

How many ways can a person toss a coin 13 times so that the number of heads is between 7 and 10 inclusive?

Answer :

MathPhys MathPhys

Today at 6:25 AM

Answer:

4004

Step-by-step explanation:

The number of combinations of choosing r objects from a group of n is nCr.

So the number of ways to get 7, 8, 9, or 10 heads from 13 coin tosses is:

₁₃C₇ + ₁₃C₈ + ₁₃C₉ + ₁₃C₁₀

= 1716 + 1287 + 715 + 286

= 4004

Answer Link

Other Questions

Chargaff discovered that the a-t bond has the same width as the g-c bond. What implication does this have for the structure of the dna molecule?.

you pick up a vertebra to identify it and note that the transverse processes contain foramina. this unique feature identifies the vertebra as coming from the re

At the normal resting membrane potential of a typical neuron, its sodium-potassium exchange pump transports.

Sipho buys peanuts in bulk at r5 per kg and sells them in 100g packets for r1 each .his aunt owns a packaging business and supplies sipho with free packets for

Tech A says that a torsion bar is used to operate the control valve in a hydraulically controlled power steering system. Tech B says that in the neutral positio

Maths quiz. Rose cost 50paise Daisy cost 3rupees Lotus cost 10rupees. You will be allowed to spend only rupees 100. With this amount you must bring all the 3flo

2. Fill in the blanks. A) ensures that no one can discriminate between citizens on the grounds of caste, religion, or color.B) is the set of rules that provide

a.How would you distinguish between dil HCl and dil HNO3

Define RQ. What is its value for fats?

Explain Female Sexual reproduction plz.explain in detail with diagram complusory

A rocket travels in a straight line at a speed of 5,000 m/s. After 1 min, it is 10,000 m/s. What is the rocket's acceleration?

In "The Scarlet Ibis," Doodle is best symbolized by the bird, the scarlet ibis, because both are rare and unusual creatures who are tragically separated from th

A positive real number is 1 less than another. When 2 times the larger is added to the square of the smaller, the result is 8. Find the numbers.

what are some structures of the us goverment

A body of mass 5.0kg being pulled by a horizontal force F.If the frictional force of 5N acts between the surfaces calculate the net force acting on it

50 POINTS: How historically accurate is Upton Sinclair's fiction? Write an essay which explores whether or not Sinclair's fictional account of working condition

the possible ways used to remove a truck that is stuck in mud

Jaxon will make a plywood table shaped like a rectangular prism that is 2 feet tall and 4 feet long. Once the table is finished, it will be powder coated to mak

In one or two paragraphs, explain good citizenship and the social contract theory, and describe how individuals make concessions for the sake of the public goo

How can soil be protected in areas of low and unreliable rainfall?