Question

Asked Nov 25, 2019

31 views

Question 24 has me confused

1 Rating

Step 1

The null and the alternative hypotheses are;

Null hypothesis: All the proportion are equal, that is, they are independent.

Alternative hypothesis: At least one of the proportion is different, that is, they are not independent.

The observed frequencies are given as:

Step 2

The expected frequencies are obtained as:

Step 3

The chi-square test statisti...

Tagged in

Q: a bowl of fruit has four apples, two oranges, one banana, and three peaches. Kate reaches in and pic...

A: Given:A bowl contains 4 apples, 2 oranges, 1 banana and 3 peaches.Total no. of fruits in a bowl is 4...

Q: Each of two pesticide brands is applied to 100 containers of fire ants. Brand1 killed all ants in 65...

A: Assumptions:Each brand is independent of other.The sample size of each brand is large.The samples ar...

Q: In a certain school district, it was observed that 29% of the students in the element schools were c...

A: From the given information, the testing is based on proportion of students in the element schools we...

Q: Does the new method appear to lead to a new grade distribution? Test at the 5% significance level. A...

A: Given data

Q: Enzyme immunoassay tests are used to screen blood specimens for the presence of antibodies to HIV, t...

A: The following table contains approximate probabilities of positive and negative test result when the...

Q: What is the probability of the random occurrence of a value between 56 and 61 from anormally distrib...

A: The normal distribution:A continuous random variable X is said to follow normal distribution with me...

Q: The average cost of tuition and room and board at a small private liberal arts college is reported t...

A: The provided information are:

Q: An archeologist finds some humeri (leg bones) that may be from prehistoric bison or may be from mode...

A: GivenModern cow humeri length average = 32 cmStandard deviation = 4 cmsample size n = 7sample averag...

Q: The symbol μ¯xμx¯ represents the population mean of all possible sample means from samples of size ...

A: Note:Hey there! Thanks for posting question. However, the symbol is not clear in your posted questio...