07/31/20

Test Statistic and Critical Value
You wish to test the following claim (HaHa) at a significance level of α=0.005α=0.005.      Ho:μ=56.8Ho:μ=56.8       Ha:μ>56.8Ha:μ>56.8You believe the population is normally distributed... more
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07/31/20

Test Statistic and Critical Value
You wish to test the following claim (HaHa) at a significance level of α=0.001α=0.001.      Ho:μ=51.1Ho:μ=51.1       Ha:μ<51.1Ha:μ<51.1You believe the population is normally distributed, but... more
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07/31/20

Critical Value and Test Statistic
You wish to test the following claim (HaHa) at a significance level of α=0.05α=0.05.      Ho:μ=77.7Ho:μ=77.7       Ha:μ≠77.7Ha:μ≠77.7You believe the population is normally distributed, but you do... more
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07/31/20

Which of these random variables has a geometric distribution? HELP ASAP
1.the number of attempts before rolling a 3 with a die2.the number of defective products in a random sample of 20 taken from a production line that has a 3% defect rate3.the number of diamonds... more
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07/31/20

HELP ASAP PROBABILITY/STATS QUESTION
What is the value of term  in Pascal's triangle? 4 3 10 6
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07/31/20

Frequency tables
The table shows the number of correct answers that students gave on a recent 5 question quiz if the mean number of correct answers is 4 determine the value of KNumber correct: 1 2 3 4 5Frequency: ... more
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07/31/20

Frequency table

Calculate the mean number of orange M&Ms in a small bagorange m&ms: 3,4,5,6,7,8Frequency: 12,19,23,71,38,37A. 5.8B. 6.1C. 5.9D. 6.3
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07/30/20

help me with this please
Enter a recursive rule and an explicit rule for the geometric sequence, then find the next three terms.3, 12, 48,The recursive rule is f (1)= _____ and f (n) =F( ) - ________The explicit... more
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07/30/20

Please help me !!
In a mathematics class half of the students scored 87 on an achievement test with the exception of a few students who scored 50 to the remaining students score 71 which of the following statements... more
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07/30/20

PLEASE SOLVE THIS ASAP
A salon found that 20% of people who make appointments do not show up. If there are 31 appointments in total, what is the odds in favour of having fewer than 3 “no shows”? Show all your work.
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07/29/20

Mean mode median
In a mathematics class Half of the students scored 83 on an achievement test. with the exception of a few students who scored 47 the remaining students scored 80. Which of the following statements... more
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07/29/20

Please help me okay
Julio and Jake start their reading assignments the same day. Jake is reading a 168−page-book at a rate of 24 pages per day. Julios book is 180 pages long and his reading rate is 1 1/4 times Jake... more
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07/29/20

Mean,mode,median
In a mathematics class half of the students scored 42 on an achievement test. With the exception of a few students who scored 78, The remaining students scored 53. Which of the following statements... more
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07/29/20

A probability question.
A jar contains 3 blue balls, 2 white balls and 5 red balls. A ball is selected at random and the colour of the ball is noted and replaced back into the jar. A second ball is selected and its colour... more
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07/29/20

Elementary statistics

Assume that adults have iq scores that are normally distributed with a mean of u=105 and a standard deviation o=20. Find the probability that a randomly selected adult has an iq less than 137
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07/28/20

i need help please help me
A section of a railway has a slope of approximately 0.45. In this section, a vertical change of 1 unit corresponds to a horizontal change of what length? Round your answer to the nearest... more
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07/28/20

A right​ triangle's hypotenuse is 8 m and one leg is 2 √7 m. Find the length of the other leg.
A right​ triangle's hypotenuse is 8 m and one leg is 2 √7 m. Find the length of the other leg.What is the length of the other​ leg? _____ m
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07/27/20

What is the surface area of this complex figure?

a) 7,701.8 cm2 b) 5,492.8 cm2 c) 6,597.3 cm2 d) 8,806.2 cm2
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07/26/20

If the candidate only wants a 10% margin of error at a 95% confidence level, what size of sample is needed?
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07/25/20

What are the odds of pointer stopping in wedge that’s a multiple of 3
What are the odds of pointer stopping in wedge that’s a multiple of 3
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07/25/20

How many ways can they choose 2 TVs?
A consumer group plans to select 2 TVs from shipment of 8 to check picture quality .
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07/25/20

how many ways can this be done?
A department store photographer wants to arrange 3 children in a row for a family photograph. In how many ways can this be done?
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07/25/20

How many different orders to finish are there?
If 6 horses are entered in a race & there can be no ties .
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07/25/20

How many different ways can the club select a President & vice president?
A club has 15 members. How many different ways can they select a president & vice president?
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07/25/20

What’s the probability of landing a 4 on a spinner & rolling a 6 on a die
What’s the probability of landing a 4 on a spinner & rolling a 6 on a die
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