Activity 3 Table 3. Results of three coins tossed simultaneously 64 times.OutcomesObserved (O)Expected (E)(O − E)(O E)2(O  E)2/E3 heads98110.1252 heads;1 tail2124-390.3751 heads; 2 tails2124-390.3753 tails1385253.125Totals6464XXXXXXXXXXXXX2 = 4.0 State a null hypothesis for this experiment. How many degrees of freedom are there? What is the critical value of the X2 for α = 0.05? __________ Do you accept or reject the null hypothesis? Why?

Answered: State a null hypothesis for this…

Math

Probability

State a null hypothesis for this experiment. How many degrees of freedom are there?

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

See similar textbooks

Related questions

Q: A new credit card has been issued to 2000 customers. Of these customers, 1500 hol Visa, 500 hold an…

A: NOTE-By bartleby rules, only first question has been answered . As per given by the question, find…

Q: 1. Fill out the table.

A: here given outcomes of rolling 2 dice there are total 36 outcomes

Q: The data in the following table show the association between cigar smoking and death from cancer for…

A: Given data is Died from cancer Did Not Die from Cancer Total Never smoked cigars 886 119643…

Q: Suppose that events E and F are independent, P(E) = 0.6, and P(F) = 0.7. What is the P(E and F)? The…

A: Given info: Events E and F are independent.

Q: Gerald buys a bag of 7,500 assorted beads online. A random sample of 150 beads contains 17 red…

Q: The probability is (Round to three decimal places as needed.) GEER

A: The given information is as followsThe probability of a baby being a girl is

Q: tributIO Show that the column and row totals of Table 1 give the marginal of X alone and of Y alone.

Q: E 1.5/3 pts O 3 87 O Details A jar contains 3 pennies, 8 nickels and 4 dimes. A. child selects 2…

Q: If she rolls a six-sided, fair die to make her decision and selects the company depending on what…

A: Define some events Ai : She invests in Company i, i = 1,2,3,4,5,6 E : She makes a good investment

Q: MY NOTES ASK YOUR TEACHER If you draw an M&M candy at random from a bag of the candies, the candy…

A: From the theorem of probability we know that the sum of all the probabilities is one. a) The…

Q: In one section of STAT 1811 course, there are 10 girls and 20 boys. What Is the probablllty that In…

A: From the provided information, There are 10 girls and 20 boys in one section of STAT 1811 course.…

Q: An elevator has a placard stating that the maximum cepaoity is 1368 Ib-8 passengers. So, 8 adult…

A: We have to find out given probability and correct statement...

Q: 6.The data show the results when a student tosses a coin 2020 times and records whether it shows…

A: Given that, the data show the results when a student tosses a coin 2020 times and records whether it…

Q: The probability that a random variable assumes a value x is always between a. O and 1 c. O and o b.…

Q: Question 4: Binominal distribution e A random variable X has the binominal distribution X~Bin(n, p).…

Q: The data represent the results for a test for a certain disease. Assume one individual from the…

Q: 2. Determine the missing value in the probability distribution. o 1 2 3 4 P(x) 0.15 0.18 .24 .36 a.…

A: x 0 1 2 3 4 p(x) 0.15 0.18 0.24 0.36 ?

Q: 13. An accounting office has six incoming tele- phone lines. The probability distribution of the…

Q: Please do not give solution in image format thanku The replenishment time for a certain product is…

A: The replenishment time for a certain product is known to be Gamma distrbuted with mean 40 and…

Q: Score: 0 of 2 pts 5 of 25 (16 complete) v HW Score: 57.33%, 28.67 of 50 p 4.4.17 Question Help ▼…

A: We have to find probability for given data..

Q: None

A: 5. Black ball is selected on the fifth try: Probability = \( \frac{9}{20} \times \frac{8}{19} \times…

Q: Determine the expected count for each outcome. n = 696 i 1 2 3…

A: The expected outcome is npi We have: np1=696×0.13=90.48 np2=696×0.43=299.28 np3=696×0.16=111.36…

Q: Given the following: Probability function pb(s) a biased die: pb(s) = {(1, 3/10), (2, 1/10)…

Q: You spin the spinner and flip a coin. How many outcomes are possible? K H

A: Given that Events = Spinning a spinner and flipping a coin Number of outcomes in spinning a wheel…

Q: The data in the following table show the association between cigar smoking and death from cancer for…

A: The marginal frequencies are computed as shown below: Died from Cancer Did Not Die from Cancer…

Q: A huyer of PPE wishes to répel shipments having Mot thim 15% defective item He takes random septe of…

A: GivenBuyer wishes to reject shipment having more than 15% defective items. Null hypothesis : The…

Q: andom variable has probability stribution: x= 0,1, 2 ,3 ,4, 5,6,7 and P…

A: We know that the By total probability law, sum of all the probabilities of a random variable is…

Q: K The data in the following table show the association between cigar smoking and death from cancer…

A: Died from cancer did not died from cancer Total Never smoked cigar 822 122,397 123,219…

Q: 2. Let Z denotes a random variable with probability distribution function. -2 -1 1 3 P(Z=z) 0.1 0.3…

A: We have given that a random variable Z with probability distribution function.

Q: Two dice are rolled. What is the probability that the sum is 5? 8. 9. 1 6. 36 12 2/3

A: Two dice are thrown together. Need to find the probability that numbers on the two faces sum/add is…

Q: Consider two fair dice: The first is 6 sided (X=1,2,3,4,5,6) and the second is 4 sided (Y=1,2,3,4).…

Q: Assume that when adults with smartphones are randomly selected, 55% use them in meetings or classes.…

A: Given : Proportion of adults use their smartphones in meeting or classes (p) = 0.55 9 adults…

Q: 10) Joint probability distribution of X and Y are given. Give E(Y). XIY 0 2 Pi -1 0.2 0.3 ? 2 0.4…

A: Given, XY 0 2 pi -1 0.2 0.3 0.5 2 0.4 0.1 0.5 qj 0.6 0.4 1.0

Q: Frozen computer: A computer system administrator noticed that computers running a particular…

A: Given data: One month Seven months 233.1 53.2 215.9 127.3 235.1 201.3 225.6 174.2…

Q: 5. Using calculator find the following probability: 1) P(Z>2.33)

A: We have to find the value of P(Z>2.33). We also know that the normal curve is symmetric. This…

Q: Assume that the time it takes an individual to drive from school to work is uniformly distributed…

A: The time it takes an individual to drive from school to work is uniformly distributed between 240 to…

Q: 24. What is the missing probability when the random variable is 200? 100 200 300 400 500 600 P(X)…

A: Probability distribution table is given. X 100 200 300 400 500 600 P(X) 0.1 x 0.5 0.15 0.05…

Q: d. What is the probability that the sample mean is more than $18 million? (Round "z" value to 2…

A: Given that population size N = 591, sample size n=38, population mean (μ)=$12.20 million and…

Q: For numbers 7 and 8: The seedlings of a particular type of tree are randomly dispersed in a large…

A: We have given that λ = 6 Here we will use Poisson distribution to find the required probability

Q: K According to a survey, the probability that a randomly selected worker primarily drives a…

Q: For numbers 7 and 8: The seedlings of a particular type of tree are randomly dispersed in a large…

Q: In analyzing hits by certain bombs in a war, an area was partitioned into 566 regions, each with an…

A: Given Total bombs=505 Total regions=566

Q: The following table shows the distribution of murders by type Weapon of weapon for murder cases in a…

A: Solution: The given probability distribution is Weapon Probability Handgun 0.471 Rifle…

Q: Probability; 1000 Ω resistors with 5% tolerance are produced in a production line. The X random…

A: Given: Tolerance = 5% Resistors 1000 ohm

Q: ull 96% 3:04 PM MATU Set Y. 8. A coin bank has twenty 20-peso coins, thirty 5-peso coins, and…

A: As per guidelines expert have to answer first question only dear student please upload other…

Q: a random variable has probability distribution: x= 0,1,2,3,4,5,6,7 and P(x) =0,k,2k,2k,3k,k*k, 2k*k,…

A: Solution-: We have given following table: x 0 1 2 3 4 5 6 7 P(x) 0 k 2k 2k 3k k2 2k2 7k(k+1)…

Question

Activity 3

Table 3. Results of three coins tossed simultaneously 64 times.

Outcomes	Observed (O)	Expected (E)	(O − E)	(O E)2	(O  E)2/E
3 heads	9	8	1	1	0.125
2 heads;1 tail	21	24	-3	9	0.375
1 heads; 2 tails	21	24	-3	9	0.375
3 tails	13	8	5	25	3.125
Totals	64	64	XXXXXX	XXXXXX	X2 = 4.0

State a null hypothesis for this experiment.

How many degrees of freedom are there?

What is the critical value of the X² for α = 0.05? __________

Do you accept or reject the null hypothesis? Why?

Expert Solution

Step 1

Null Hypothesis:

H0: There is no significant difference between observed and expected counts.

Degrees of freedom:

df=number of groups-1

=4-1

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

$Immune disorders$

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, probability and related others by exploring similar questions and additional content below.

Similar questions

5) A random variable x has the probability distribution given in the table below. 1 2 3 4 5 P(x) 0.3 0.3 0.2 0.05 ? 0.1 a) Find P(4) b) Find µ, o?,0 c) Construct a probability histogram to describe P(x).
Determine the expected cant for each outcome. n=772 2 3 4 Pi 0·11 0·43 0·18 0·28 The expected count for cutcome 4 is rand to two decimal places as needed
3. Find the mean of the probability distribution. 1 2 3 4 P(x) 0.3 0.4 0.2 0.06 0.04 b. 1.30 с. 1.14 d. 1.35 а. 1.54
8:49 PM Thu Oct 12 Let event A = the outcome is less that 1. Remix A fair six-Sided die is rolled. Let event B= the outcome is an odd #.. Find P(A or B). 0 6 6 0 6 وامه وابه Alle 5/60 30% isaiahb_23 Today at 8:44 PM React
4) Explain the Figure below Transition Probability 0.9 J 0.125 A 0.1 0.075 AA 0.05 BBB B 0.025 D BB 30 50 60 70 Price 40 80 90 100 110
1.5
7-2-3'2
Time left 1:11:48 It is known the 60% of toddlers have too much screen time. A randome sample of 8 toddlers were examined. What is the probability that 4 have too much screen time? O a. 0.7678 O b. 0.0573 C. 0.30 O d. 0.2322 ge Next page MAR 6. átv J 80 DII F1 F2 F3 F4 F5 F6 F7 F8 F9 $ % & %24
1:59 (a) The probability that a randomly selected home run was hit to right field is (Round to three decimal places as needed.) A baseball player hit 58 home runs in a season. Of the 58 home runs, 18 went to right field, 19 went to right center field, 10 went to center field, 10 went to left center field, and 1 went to left field. (a) What is the probability that a randomly selected home run was hit to right field? (b) What is the probability that a randomly selected home run was hit to left field? (c) Was it unusual for this player to hit a home run to left field? Explain. ||| = LTE2 O 50%
Time left 0:35:29 Consider the random experiment of selecting 5 balls from a box containing 60 Green and 40 white balls. The probability of selecting 2 white and 3 green balls is 0.1600 a. O b. 0.4000O O c. 0.3545 O d. 0.5000
24. Use the probability distribution to complete parts (a) through (d) below. The probability distribution of number of televisions per household in a small town X 0 3 P(x) 0.03 0.54 (a) Find the probability of randomly selecting a household that has one or two televisions. The probability is (Type an integer or a decimal. Do not round.) (b) Find the probability of randomly selecting a household that has two or more televisions. 1 0.11 2 0.32 The probability is (Type an integer or a decimal. Do not round.) (c) Find the probability of randomly selecting a household that has between one and three televisions, inclusive. The probability is (Type an integer or a decimal. Do not round.) (d) Find the probability of randomly selecting a household that has at most two televisions. The probability is (Type an integer or a decimal. Do not round.)
Find the experimental probability of rolling a 2 after 50 rolls of the cube. A. 16% B. 50% C. 8 D. 8/24 (<----fraction)