A 4 digit code number is generated by randomly selecting digits, with replacement, from the set {1,2,3,...,9}....
A 4 digit code number is generated by randomly selecting
digits, with replacement, from the set {1,2,3,...,9}.
Find the probability that the number consists of two 9's and two
6's.Give an exact answer as a fraction of the form
a/b (explained).
Homework Answers
total number of possible 4 digit code with replacement from 9 digits =94 =6561
number of ways 4 digit code can be made with two 9's and two 6's =4!/(2!*2!) =6
therefore probability that the number consists of two 9's and two 6's =6/6561 =2/2187
Add Answer to:
A 4 digit code number is generated by randomly selecting
digits, with replacement, from the set {1,2,3,...,9}....
A 3 digit code number is generated by randomly selecting digits, with replacement, from the set...
A 3 digit code number is generated by randomly selecting digits, with replacement, from the set {1,2,3,...,9}. Find the probability that the number does NOT include a 2. Note: 4 decimal place accuracy please (explained)
The access code for a gym locker consists of three digits. Each digit can be any...
The access code for a gym locker consists of three digits. Each digit can be any number from 0 through 5, and each digit can be repeated. Complete parts (a) through (c). (a) Find the number of possible access codes. (b) What is the probability of randomly selecting the correct access code on the first try? (c) What is the probability of not selecting the correct access code on the first try? (a) Find the number of possible access codes....
Let X be a continuous random variable defined on R. Then for any real number x...
Let X be a continuous random variable defined on R. Then for any real number x True ● False The staff at a small company includes: 2 secretaries, 12 technicians, 4 engineers, 2 executives, and 64 factory workers If a person is selected at random, what is the probability that he or she is a factory worker? 21 16 21 19 21 7 A 7 digit code number is generated by randomly selecting digits, with replacement, from the set(1.23 the...
A binary code (leading zeros allowed) consisting of 6 digits is randomly generated by a computer....
A binary code (leading zeros allowed) consisting of 6 digits is randomly generated by a computer. What is the probability that a code is generated with an alternating pattern of 00 and 11? Write your answer as a fraction 1a1a and enter only the denominator aa below.
6. The digits 1,2,3,4 and 5 are randomly arranged to form a three-digit number. If digits...
6. The digits 1,2,3,4 and 5 are randomly arranged to form a three-digit number. If digits are not repeated, find the probability that the number is even and greater than 500? 7. A coin is tossed 10 times. Find the probability that at least one toss results in a tail. 8. A game is played using one die. If the die is rolled and shows 1,2 or 3, the player wins nothing. If the die shows 4 or 5, the...
Athief steals an ATM card and must randomly guess the correct five-digit pin code from a...
Athief steals an ATM card and must randomly guess the correct five-digit pin code from a 4-key keypad Repetition of digits is allowed. What is the probability of a correct guess on the first try? The number of possible codes is (Type an integer or fraction Simplify your answer.) The probability that the correct code is given on the first try is (Type an integer or fraction Simplify your answer)
A thief steals an ATM card and must randomly guess the correct six-digit pin code from...
A thief steals an ATM card and must randomly guess the correct six-digit pin code from a 4-key keypad. Repetition of digits is allowed. What is the probability of a correct guess on the first try? The number of possible codes is (Type an integer or fraction. Simplify your answer.) The probability that the correct code is given on the first try is
A thief steals an ATM card and must randomly guess the correct fourfour-digit pin code from...
A thief steals an ATM card and must randomly guess the correct fourfour-digit pin code from a 10-key keypad. Repetition of digits is allowed. What is the probability of a correct guess on the first try? The number of possible codes is nothing. (Type an integer or fraction. Simplify your answer.) The probability that the correct code is given on the first try is nothing. (Type an integer or fraction. Simplify your answer.)
Problem #4 : Suppose that a code (similar to a postal code) is of the form...
Problem #4 : Suppose that a code (similar to a postal code) is of the form LDL DLD, where L is an uppercase letter from A to Q (ie., 17 possible letters) and D'is a digit from 0 to 7. Suppose that such a code is randomly generated. (a) Find the probability that the code has no repeated digits. (b) Find the probability that the code either starts with an 'A' or ends with an even digit (note that O...
2) (5pts) A 3-digit number will be formed using the digits 1, 2, 3, 4, 5;...
2) (5pts) A 3-digit number will be formed using the digits 1, 2, 3, 4, 5; using each digit only once. a) How many possible 3-digit numbers are possible? TOTAL: b) Assume three of the digits are randomly chosen and randomly permuted in order to form the 3-digit number. Then each of the possible 3-digit numbers in part a) are equally likely. Find the probability that the 3-digit number ends up being an even number greater than or equal to...
Let X be a continuous random variable defined on R. Then for any real number x True ● False The staff at a small company includes: 2 secretaries, 12 technicians, 4 engineers, 2 executives, and 64 factory workers If a person is selected at random, what is the probability that he or she is a factory worker? 21 16 21 19 21 7 A 7 digit code number is generated by randomly selecting digits, with replacement, from the set(1.23 the...
6. The digits 1,2,3,4 and 5 are randomly arranged to form a three-digit number. If digits are not repeated, find the probability that the number is even and greater than 500? 7. A coin is tossed 10 times. Find the probability that at least one toss results in a tail. 8. A game is played using one die. If the die is rolled and shows 1,2 or 3, the player wins nothing. If the die shows 4 or 5, the...
Athief steals an ATM card and must randomly guess the correct five-digit pin code from a 4-key keypad Repetition of digits is allowed. What is the probability of a correct guess on the first try? The number of possible codes is (Type an integer or fraction Simplify your answer.) The probability that the correct code is given on the first try is (Type an integer or fraction Simplify your answer)
Problem #4 : Suppose that a code (similar to a postal code) is of the form LDL DLD, where L is an uppercase letter from A to Q (ie., 17 possible letters) and D'is a digit from 0 to 7. Suppose that such a code is randomly generated. (a) Find the probability that the code has no repeated digits. (b) Find the probability that the code either starts with an 'A' or ends with an even digit (note that O...
2) (5pts) A 3-digit number will be formed using the digits 1, 2, 3, 4, 5; using each digit only once. a) How many possible 3-digit numbers are possible? TOTAL: b) Assume three of the digits are randomly chosen and randomly permuted in order to form the 3-digit number. Then each of the possible 3-digit numbers in part a) are equally likely. Find the probability that the 3-digit number ends up being an even number greater than or equal to...
Most questions answered within 3 hours.
-
among the three different ways to link CSS specifications to an
HTML document (inline CSS, document...
asked 10 minutes ago -
(1) Write the net ionic equation for the reaction that occurs
when equal volumes of 0.191...
asked 37 minutes ago -
On the night of April 18, 1775, a signal was to be sent from the
Old...
asked 20 minutes ago -
For each of the following strong base solutions, determine
[OH−],[H3O+], pH, and pOH 4.8 x 10^-4...
asked 16 minutes ago -
The magnitude of the electric field inside a capacitor is 6.6 x
106 N/C. What is...
asked 16 minutes ago -
Organizations may have only a few products or many products in a
product line. Consider Campbell...
asked 29 minutes ago -
could you please help me to explain the nmr splitting
integration and chemical shift and assignment...
asked 25 minutes ago -
A
29.0 cm diameter coil consists of 23 turns of cylindrical copper
wire 2.00 mm in...
asked 31 minutes ago -
Q1
Two of your friends each received the results of their
first midterm exam this term....
asked 48 minutes ago -
A 0.500-kg object, suspended from an ideal spring of spring
constant 30.2 N/m, is oscillating vertically....
asked 46 minutes ago -
Please help and show work. I keep getting the wrong answers for
these problems
1. Cell...
asked 44 minutes ago -
If there is a SNP in the read with respect to the
reference genome, how would a...
asked 46 minutes ago