Search & Filtering
There is a claim that on daily average, students spend 5.5 hours on social media with a standard deviation of 1.25. A researcher wants to test the claim at 5% level of significance.
1. Formulate the null and alternative hypothesis
2. Determine the test statistic to be used
3. Find the corresponding zvalue
4. Identify the rejection region
In the class of Statistics, there are 75 students in total out of which 55 male, 20 female students. 10 students need to be selected for the occasion of freshers' reception.
a. Determine the probability that 4 of the selected students would be girls by using the formula of binomial distribution.
of the following statements about different elements are true except
Potassium is an alkali metal. Selenium is a metalloid.
Magnesium is an alkaline earth metal. Iodine is a halogen.
Xenon is a noble gas.
Family List:
A list of words is called the Family if the words in the list follow the following rule.
we should be able to obtain each word in the list by
-changing exactly one letter from the previous word in the list
-or , by adding exactly one letter to the previous word in the list
-or ,by removing exactly one letter from the previous word in the list
Given a list of words ,determine if the list is a Family or Not a Family
input:
The first line of input is an integer T representing the number of test cases
the first line of each test case has an integer N representing the total number of words
The second line contains N space separated strings
INPUT:
3
3
hip hop top
3
hip top hop
4
teat treat greet meet
output:
family
not a family
not a family
i/p:
3
3
tic tac toe
2
tic tac
3
tet treat greet
o/p:
not a family
family
not a family
Note:please display the output
Find the value of a2 for the recurrence relation an=17an-1+30n, where a0=3
Find the value of a3 for the recurrence relation an=17an-1+30n, where a0=3
Find the value of a1 for the recurrence relation an=17an-1+30n, where a0=3
What would be the hypothesis of the mathematical induction for x(x + 1) < x! , where x ≥ 7?
If P(k) = k2(k + 2)(k – 1) is true, then what is P (k + 1)?
Answer to Question #341372 in Python
Note:Error is displaying in this code, please correct it
Enter the number of societies:Keep the number of people in societies:
Traceback (most recent call last):
File "main.py", line 4, in <module>
num_people = int(input('Keep the number of people in societies:'))
ValueError: invalid literal for int() with base 10: '\r'
Which of the following is a parameter in the situation “A machine which has been regulated dispenses an average of 330 ml fruit concentrate per bottle. A random sample of 49 bottles filled by the machine has a mean content of 320 ml and a standard deviation of 50 ml.”?
Show that this rearranges to q/m=v/BR
find the radius of the path of 35cl- ions in such a machine if v=3.0kv and b=3.0t
Create an application that calculates your daily driving cost, so that you can estimate how much money could be saved by carpooling, which also has other advantages such as reducing carbon emissions and reducing traffic congestion. The application should input the following information and display the user’s cost per day of driving to work:
a) Total miles driven per day.
b) Cost per gallon of gasoline.
c) Average miles per gallon.
d) Parking fees per day.
e) Tolls per day.
