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Statistics

03/18/24

Impact of a degree on income by gender

SourceValueStd_ErrtP_value Intercept 27271.979 541.012 50.409 <0.0001 ASS 10143.409 593.734 17.084 <0.0001 Female -17040.056 370.740 -45.962 <0.0001 FemalexASS -3304.876 823.457 -4... more

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Statistics

03/18/24

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The following table represents food purchase amounts and whether the customer used cash or a credit/debit card. One customer is chosen at random. Give your answer as a decimal out to at least 4... more

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Statistics

03/18/24

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A particular fruit's weights are normally distributed, with a mean of 387 grams and a standard deviation of 32 grams.The heaviest 9% of fruits weigh more than how many grams?Give your answer to the... more

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Statistics

03/18/24

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Heights of 10 year old children, regardless of sex, closely follow a normal distribution with mean 56 inches and standard deviation 5.2 inches. Round answers to 4 decimal places. a) What is the... more

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Statistics

03/18/24

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The following table represents food purchase amounts and whether the customer used cash or a credit/debit card. One customer is chosen at random. Give your answer as a decimal out to at least 4... more

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Statistics

03/18/24

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For a standard normal distribution, find:P(0.55 < z < 1.6)

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Statistics

03/17/24

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Find each of the following probabilities if the probability that Aramark stock (event A) rises is 46.4%, and the probability that the Best Buy stock rises (event B) is 34.5%. Write each answer as a... more

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Statistics

03/17/24

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Find each of the following probabilities if the probability that Aramark stock (event A) rises is 46.4%, and the probability that the Best Buy stock rises (event B) is 34.5%. Write each answer as a... more

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Statistics

03/17/24

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The following table represents undergraduate students at a local university. One student is chosen at random. Give your answer as a decimal out to at least 4... more

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Statistics

03/17/24

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In your biology class, your final grade is based on four categories. The categories are tests, labs, assignments, and a final exam. Suppose you earned the following grades in each of the... more

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Statistics

03/17/24

Find the indicated z score. if everything below the z is .9251 with a mean 0 and standard deviation 1.

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Statistics

03/17/24

A standard deck of playing cards has 4 suits of 13 different cards. If an additional suit is added would it change the odds and by how much 20% or 25%, or other.

A standard deck of playing cards 52 cards, has 4 suits of 13 cards, each. I want to add an additional suit, for a game I’m trying to add a progressive to. If an additional suit is added would it... more

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Statistics

03/11/24

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A manufacturing machine has a 6% defect rate. An inspector chooses 4 items at random. Use the binomial distribution. Round answers to 4 decimal places.a) What is the probability that at least one... more

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Statistics

03/11/24

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Multiple-choice questions each have 3 possible answers, one of which is correct. Assume that you guess the answers to 5 such questions.Use the multiplication rule to find the probability that the... more

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Statistics

03/10/24

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A jury pool has 21 people that are married and 23 people that are not married, from which 12 jurors will be selected. Assuming that each person is equally likely to be chosen and that the jury is... more

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Statistics

03/10/24

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A company prices its tornado insurance using the following assumptions:• In any calendar year, there can be at most one tornado.• In any calendar year, the probability of a tornado is 0.12.• The... more

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Statistics

03/10/24

find the probability that an 18-ounce bag of chips selected at random contains at least 1000 chips.

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Statistics

03/08/24

Will someone please help me with this statistics problem?

For each of the situations below, chose the correct test, and then use the data to conduuct your chosen test. Afterward, explain why it was the appropriate test and what the results were. Also,... more

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Statistics

03/08/24

Statistics Logistic Regression model

Source Value Standard Error Chi-Squared Pr>Chi2Intercept 0.733 0.081 9.008 <0.0001Bachelors+ 1.096 0.130 8.446 <0.0001Female 0.068 0.105 0.654 0.513In an attempt to understand the impact... more

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Statistics

03/08/24

A person going to a party was asked to bring 4 different bags of chips. Going to the store, she finds 12 varieties.

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Statistics

03/06/24

Will Someone Please Help Me With This Statistics Problem.

Consider the following: Analysis of national data have suggested that the adult population uses social media an average of 2.4 hours per day, with a standard deviation of 1.4 hours. The sample mean... more

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Statistics

03/06/24

How many ways can a person toss a coin 8 times so that the number of heads is between 4 and 7 inclusive?

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Statistics Math Probability

03/05/24

I need help with this probability problem

Let’s say that there are 26 people and 9 tables with 3 chairs at each table. Each person is assigned a seat at random. 2 of the people are friends. What is the probability that the 2 friends will... more

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Statistics

03/05/24

A distribution of values is normal with a mean of 36.2 and a standard deviation of 51.7. Find P89

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Statistics

03/05/24

Assume that a sample is used to estimate a population proportion p. Find the 99.9% confidence interval for a sample of size 223 with 43% successes.

Assume that a sample is used to estimate a population proportion p. Find the 99.9% confidence interval for a sample of size 223 with 43% successes. Enter your answer as a tri-linear inequality... more

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Impact of a degree on income by gender

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Find the indicated z score. if everything below the z is .9251 with a mean 0 and standard deviation 1.

A standard deck of playing cards has 4 suits of 13 different cards. If an additional suit is added would it change the odds and by how much 20% or 25%, or other.

Help solving it.

Help Solving it.

Help solving it.

Help solving it.

find the probability that an​ 18-ounce bag of chips selected at random contains at least 1000 chips.

Will someone please help me with this statistics problem?

Statistics Logistic Regression model

A person going to a party was asked to bring 4 different bags of chips. Going to the store, she finds 12 varieties.

Will Someone Please Help Me With This Statistics Problem.

How many ways can a person toss a coin 8 times so that the number of heads is between 4 and 7 inclusive?

I need help with this probability problem

A distribution of values is normal with a mean of 36.2 and a standard deviation of 51.7. Find P89

Assume that a sample is used to estimate a population proportion p. Find the 99.9% confidence interval for a sample of size 223 with 43% successes.

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find the probability that an 18-ounce bag of chips selected at random contains at least 1000 chips.