Question
In: Statistics and Probability
A manager for an insurance company believes that customers have the following preferences for life insurance...
A manager for an insurance company believes that customers have the following preferences for life insurance products: 20% prefer Whole Life, 20% prefer Universal Life, and 60% prefer Life Annuities. The results of a survey of 200 customers were tabulated. Is it possible to refute the sales manager's claimed proportions of customers who prefer each product using the data?
| Product | Number |
|---|---|
| Whole | 36 |
| Universal | 58 |
| Annuities | 106 |
1. State the null and alternative hypothesis.
2. Determine which distribution to use for the test statistic and state the level of significance.
3. Gather data and calculate the necessary sample statistics.
4. Draw a conclusion and interpret the decision.
Solutions
orchestra answered 2 years agoRelated Solutions
A manager for an insurance company believes that customers have the following preferences for life insurance...
A manager for an insurance company believes that customers have
the following preferences for life insurance products: 40 % prefer
Whole Life, 20 % prefer Universal Life, and 40 % prefer Life
Annuities. The results of a survey of 212 212 customers were
tabulated. Is it possible to refute the sales manager's claimed
proportions of customers who prefer each product using the
data?
product
number
whole
70
universal
50
annuities
92
state the null and alternative hypothesis
What does the...
A manager for an insurance company believes that customers have the following preferences for life insurance...
A manager for an insurance company believes that customers have
the following preferences for life insurance products: 40% prefer
Whole Life, 20% prefer Universal Life, and 40% prefer Life
Annuities. The results of a survey of 209 customers were tabulated.
Is it possible to refute the sales manager's claimed proportions of
customers who prefer each product using the data? Product Number
Whole 86 Universal 54 Annuities 69 Step 4 of 10: Find the expected
value for the number of customers...
A manager for an insurance company believes that customers have the following preferences for life insurance...
A manager for an insurance company believes that customers have
the following preferences for life insurance products: 20% prefer
Whole Life, 20% prefer Universal Life, and 60% prefer Life
Annuities. The results of a survey of 200 customers were tabulated.
Is it possible to refute the sales manager's claimed proportions of
customers who prefer each product using the data?
Product
Number
Whole
36
Universal
58
Annuities
106
Step 1 of 10: State the null and alternative hypothesis.
Step 2 of...
A manager for an insurance company believes that customers have the following preferences for life insurance...
A manager for an insurance company believes that customers have
the following preferences for life insurance products: 30 % prefer
Whole Life, 30 % prefer Universal Life, and 40 % prefer Life
Annuities. The results of a survey of 333 customers were tabulated.
Is it possible to refute the sales manager's claimed proportions of
customers who prefer each product using the data?
Product Number
Whole. 110
Universal 105
Annuities. 118
Step 1 of 10: State the null and alternative hypothesis....
. A manager for an insurance company believes that customers have the following preferences for life...
. A manager for an insurance company believes that customers
have the following preferences for life insurance products: 40%
prefer Whole Life, 10% prefer Universal Life, and 50% prefer Life
Annuities. The results of a survey of 310 customers were tabulated.
Is it possible to refute the sales manager's claimed proportions of
customers who prefer each product using the data?
Product Number Whole 124 Universal 31 Annuities 155
State the null and alternative hypothesis.
What does the null hypothesis indicate...
A manager for an insurance company believes that customers have the following preferences for life insurance products:
A manager for an insurance company believes that customers have the following preferences for life insurance products: 30% prefer Whole Life, 30% prefer Universal Life, and 40% prefer Life Annuities. The results of a survey of 330 customers were tabulated. Is it possible to refute the sales manager's claimed proportions of customers who prefer each product using the data?
Product
Number
Whole
109
Universal
96
Annuities
125
Step 1 of 10:
State the null and alternative hypothesis.
Answer
...
4. A manager for an insurance company believes that customers have the following preferences for life...
4. A manager for an insurance company believes that customers
have the following preferences for life insurance products: 40%
prefer Whole Life, 30% prefer Universal Life, and 30% prefer Life
Annuities. The results of a survey of 320 customers were tabulated.
Is it possible to refute the sales manager's claimed proportions of
customers who prefer each product using the data?
Product Number
Whole 24
Universal 96
Annuities 200
Step 1 of 10: State the null and alternative
hypothesis.
H0:...
A manager for an insurance company believes that customers havethe following preferences for life insurance...
A manager for an insurance company believes that customers have
the following preferences for life insurance products: 20% prefer
Whole Life, 10% prefer Universal Life, and 70% prefer Life
Annuities. The results of a survey of 200 customers were tabulated.
Is it possible to refute the sales manager's claimed proportions of
customers who prefer each product using the data?ProductNumberWhole94Universal68Annuities38Step 1 of 10: State the null and alternative hypothesis.Step 2 of 10: What does the null hypothesis indicate about the
proportions...
The quality control manager at a computer manufacturing company believes that the mean life of a...
The quality control manager at a computer manufacturing company
believes that the mean life of a computer is 97 months, with a
variance of 81.
If he is correct, what is the probability that the mean of a
sample of 50 computers would differ from the population mean by
more than 1.35 months? Round your answer to four decimal
places.
The quality control manager at a computer manufacturing company believes that the mean life of a...
The quality control
manager at a computer manufacturing company believes that the mean
life of a computer is 109109 months, with a variance of 100100.
If he is correct, what
is the probability that the mean of a sample of 7171 computers
would differ from the population mean by less than 3.373.37 months?
Round your answer to four decimal places.
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