For the public lighting service, you can choose between supplier A who states that the average life time of their bulbs is 1400 h with a standard deviation of 200 h and those of supplier B that assumes that the life time of their bulbs is 1200 h with a standard deviation of 100 h. If 125 bulhs from each manufacturer

Q: 8 The value of - da is 4

A:

Q: Find the indicated value. * Find x. 52 18x 2

A: Draw the perpendicular from center on chord JK and LM Given arc(JK) and arc(LM) are equals…

Q: Cxe tyニ3 2. y"=? ニ

A: We will find the y" as shown below

Q: Find the exact value of the expression. 8) sin 75°

A: Given expression Also, it can be written as

Q: Find the value of each variable 27 y=

A:

Q: Dim P2 = 2. O True O False

A: A basis for P2 is { 1, x, x2}

Q: Use the values of a₁ and S, to find the value of an a₁ = 8 and S40 = 5760; a40 a40 ||

A:

Q: 60 30

A: The Sine rule: asinA=bsinB=csinC   Given:

Q: Csc?a-col?a 2. 0 2.

A: To simplify the given trigonometric  equation.

Q: a; = 12, a, = -48, find r and a,

A:

Q: Simplify. -16 6. 36 4 i 2 3 -4 4

A:

Q: Find x. 2х- 8 X - 3 3 3 6 4

A: Please see the explanation below

Q: M

A: Given a trapezoid, EM = 10, GA=16 We have to find OL

Q: Find the length of H H. 33° 17° 35-

A: The given problem is solved below in detail.

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.