QUESTIONS: What is the probability that exactly 2 of them are dogs? If the store has only 9 dogs, what is the probability that they have sufficient dogs for sale that day...

QUESTIONS: What is the probability that exactly 2 of them are dogs? If the store has only 9 dogs, what is the probability that they have sufficient dogs for sale that day...

I am stumped doing a journal club for class. I am looking at a scientific article in which they used the "Kolmogorov-Smirnov test" and I have no idea what that is. I'm trying to decipher...

Used a binomial probability table to find the probability that the number of successes x is exactly 2

The mean height of women in a country (ages 20-29) is 64.3 inches. A random sample of 55 women in this age group is selected. What is the probability that the mean height for the sample is greater...

Questions: What is the probability that exactly 2 of them are dogs? If the store has only 9 dogs, what is the probability that they have sufficient dogs for sale that...

from a sample, the simple regression of y on x is y(hat)=10-(4/3)x. the simple regression of x on y is x(hat)=5-(1/3)y. what is the correlation coefficient.

A normal distribution has a mean equal to 10 and a standard deviation equal to 1. What is the z-score cutoff for the top and bottom 2.5% of this distribution?

If the store has only 9 dogs, what is the probability that they have sufficient dogs for sale that day?

I got 1-(5/6)^12 = 0.8878. But I am wrong in my answer. I am confused

I am unsure about how to calculate a and c

A process is normally distributed with a mean of 104 rotations per minute and a standard deviation of 8.2 rotations per minute. If a randomly selected minute has 80 rotations per minute, would the...

A pharma company tests 100 drugs on human volunteers. Probability of failure in Phase I = 50%, . phase II = 30% and phase III = 40%: So how many drugs will successfully Need...

Use the following results from a test for marijuana use, which is provided by a certain drug testing company. Among 147 subjects with positive test results, there are 28 false positive results; among...

Use the data in the following table, which lists drive-thru order accuracy at popular fast food chains. Assume that orders are randomly selected from those included in the table. Drive-thru Restaurant...

In the game of blackjack played with one deck, a player is initially dealt 2 different cards from the 52 different cards in the deck. A winning "blackjack" hand is won by getting 1 of the...

Need answer

It was predicted that a country will have an elderly population (65 and older) of 8 comma 862 comma 0008,862,000 in the year 2050 and that this will be 20.520.5% of the population. What is the total...

I need help

A random sample of 12 school districts from a moderately populated area showed that the mean number of students per teacher was 19.2 with a standard deviation of 2.1. Estimate the population mean...

In a day care center each child takes three classes and either passes or fails each class. The grades are shown in the table below. P represents a passed class, and F represents a failed class. Let...