Recent questions in Statistics and Probability

College StatisticsAnswered question

Monique Henson 2023-04-01

The product of the ages, in years, of three (3) teenagers os 4590. None of the have the sane age. What are the ages of the teenagers???

College StatisticsAnswered question

Paloma Houston 2023-04-01

Use the row of numbers shown below to generate 12 random numbers between 01 and 99

78038 18022 84755 23146 12720 70910 49732 79606

Starting at the beginning of the row, what are the first 12 numbers between 01 and 99 in the sample?

78038 18022 84755 23146 12720 70910 49732 79606

Starting at the beginning of the row, what are the first 12 numbers between 01 and 99 in the sample?

College StatisticsAnswered question

ofraun4ys5 2023-03-31

How many different 10 letter words (real or imaginary) can be formed from the following letters

H,T,G,B,X,X,T,L,N,J.

H,T,G,B,X,X,T,L,N,J.

College StatisticsAnswered question

Lacey Cordova 2023-03-25

Is every straight line the graph of a function?

Research MethodologyAnswered question

Keegan Stevens 2023-03-25

In a random survey 250 people participated. Out of 250 people who took part in the survey, 40 people listen to Pink Floyd. 30 people listen to Metallica and 20 people listen to John Denver. If 10 people listen to all three then find the no. of people who listen only Pink Floyd.

College StatisticsAnswered question

Marisa Singleton 2023-03-24

For the 1s orbital of the Hydrogen atom, the radial wave function is given as: $R(r)=\frac{1}{\sqrt{\pi}}(\frac{1}{{a}_{O}}{)}^{\frac{3}{2}}{e}^{\frac{-r}{{a}_{O}}}$ (Where ${a}_{O}=0.529$ ∘A)

The ratio of radial probability density of finding an electron at $r={a}_{O}$ to the radial probability density of finding an electron at the nucleus is given as ($x.{e}^{-y}$). Calculate the value of (x+y).

The ratio of radial probability density of finding an electron at $r={a}_{O}$ to the radial probability density of finding an electron at the nucleus is given as ($x.{e}^{-y}$). Calculate the value of (x+y).

Research MethodologyAnswered question

Keegan Stevens 2023-03-21

The volume of a sphere is increasing at a rate of 3 cubic centimetres per second. How fast is the surface area increasing when the radius is 2 centimetres ?

A)$3c{m}^{2}/s$

B)$6c{m}^{2}/s$

C)$12c{m}^{2}/s$

D)$1c{m}^{2}/s$

A)$3c{m}^{2}/s$

B)$6c{m}^{2}/s$

C)$12c{m}^{2}/s$

D)$1c{m}^{2}/s$

College StatisticsAnswered question

juanikitoexgv5y 2023-03-19

Find the sets $A$ and $B$ if $\frac{A}{B}=\left(1,5,7,8\right),\frac{B}{A}=\left(2,10\right)$ and $A\cap B=\left(3,6,9\right)$. Are they unique?

College StatisticsAnswered question

kreiranihqlz 2023-03-13

What are the characteristics of a good hypothesis?

College StatisticsAnswered question

zatynlpv 2023-03-12

If x is 60% of y, find $\frac{x}{y-x}$.

A)$\frac{1}{2}$

B)$\frac{3}{2}$

C)$\frac{7}{2}$

D)$\frac{5}{2}$

A)$\frac{1}{2}$

B)$\frac{3}{2}$

C)$\frac{7}{2}$

D)$\frac{5}{2}$

College StatisticsAnswered question

Jaelyn Kennedy 2023-03-11

The numbers of significant figures in $9.1\times {10}^{-31}kg$ are:

A)Two

B)Three

C)Ten

D)Thirty one

A)Two

B)Three

C)Ten

D)Thirty one

College StatisticsAnswered question

freimerf2 2023-03-01

What is the five-step process for hypothesis testing?

Research MethodologyAnswered question

Clinton Mccormick 2023-02-25

Determine the average value of function $y=Asi{n}^{2}x$ in the range x=0 to $x=\pi $.

College StatisticsAnswered question

mayonaisea2ef 2023-02-21

How to calculate Type 1 error and Type 2 error probabilities?

Research MethodologyAnswered question

presentarab2 2023-02-06

Find the average angular speed of the minute hand of a normal clock in 30 minutes.

College StatisticsAnswered question

Jaylee David 2023-02-02

How long will it take to drive 450 km if you are driving at a speed of 50 km per hour?

1) 9 Hours

2) 3.5 Hours

3) 6 Hours

4) 12.5 Hours

1) 9 Hours

2) 3.5 Hours

3) 6 Hours

4) 12.5 Hours

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