The principal of a school claims that 30% of Grade 3 pupils stay in the playground after their classes. A survey among 500 Grade 3 pupils revealed that 150 of them stay in the playground after their classes. Use 95% confidence level to conduct a test of proportions.

Q: Letter C is 59E, not 53E

A: We need to write (59E)twelve in base 10. (It is given that face value of E is 11)

Q: 3y=45

A: Given information:

Q: 25+2=

A: First we calculate 2^5.2^5= 2x2x2x2x2=32

Q: Simplify. х+4 4x + 24 3 X + 6x *2

A:

Q: #2 - Niku

A: Given, The Caesar cipher method to encrypts message by changing each letter of the alphabet to the…

Q: Solve. 3m-3= - 19+m

A:

Q: 4w=25

A: topic - linear equation

Q: Could you please eloborate the step 3

A:

Q: Answer number 4

A:

Q: 1 is subtracted from the cube of a number

A: 1 is subtracted from the cube of a number.Let the number be xSo, we have1 is subtracted from the…

Q: Bryce measured the floor of his storage unit, which is

A: The floor of his storage unit, which is

Q: 18

A:

Q: Add. 4 4a + 3

A: Here given

Q: A number s is subtracted from seven.When the result is divided by three,the quotient is two. What is…

A: Let a number is s. According to the first condition of the question it becomes 7-s. Now from second…

Q: 18+x=14

A: We will find the value of x

Q: dx cot 2x cos 2x 4,

A:

Q: Please answer #6 now.

A:

Q: 10+9=3p

A:

Q: cole to toolo orsdingies bolcovon AVOMA YAw-ono A 0 23. Based upon the results, does the professor…

A: Since p=0.002<alpha=0.05 Then variable are significant, now we check pair wise comparison then we…

Q: V9-x2 2+3x dy dx

A:

Q: För éach graph, elco bn b. a. wok daimnyton

A: Note- Since you have asked multiple question, we will solve the first question for you. If you want…

Q: Solve. 反= -4

A:

Q: S dx 2 x-6x

A:

Q: 4+b=30

A: It is addition and subtraction of numbers.

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.